21401192450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 192

約数和(自身を含む): 47351969280

約数和(自身を除く): 25950776830

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 43, 50, 55, 86, 95, 97, 110, 190, 194, 209, 215, 275, 418, 430, 473, 475, 485, 491, 550, 817, 946, 950, 970, 982, 1045, 1067, 1075, 1634, 1843, 2090, 2134, 2150, 2365, 2425, 2455, 3686, 4085, 4171, 4730, 4850, 4910, 5225, 5335, 5401, 8170, 8342, 8987, 9215, 9329, 10450, 10670, 10802, 11825, 12275, 17974, 18430, 18658, 20273, 20425, 20855, 21113, 23650, 24550, 26675, 27005, 40546, 40850, 41710, 42226, 44935, 45881, 46075, 46645, 47627, 53350, 54010, 79249, 89870, 91762, 92150, 93290, 95254, 101365, 102619, 104275, 105565, 135025, 158498, 202730, 205238, 208550, 211130, 224675, 229405, 232243, 233225, 238135, 270050, 396245, 401147, 449350, 458810, 464486, 466450, 476270, 506825, 513095, 523897, 527825, 792490, 802294, 871739, 904913, 1013650, 1026190, 1047794, 1055650, 1147025, 1161215, 1190675, 1743478, 1809826, 1981225, 2005735, 2047961, 2294050, 2322430, 2381350, 2565475, 2619485, 3962450, 4011470, 4095922, 4358695, 4412617, 4524565, 5130950, 5238970, 5806075, 8717390, 8825234, 9049130, 9954043, 10028675, 10239805, 11612150, 13097425, 19908086, 20057350, 20479610, 21793475, 22063085, 22527571, 22622825, 26194850, 38911259, 43586950, 44126170, 45055142, 45245650, 49770215, 51199025, 77822518, 99540430, 102398050, 110315425, 112637855, 194556295, 220630850, 225275710, 248851075, 389112590, 428023849, 497702150, 563189275, 856047698, 972781475, 1126378550, 1945562950, 2140119245, 4280238490, 10700596225, 21401192450]

約数ペア:

[(1, 21401192450), (2, 10700596225), (5, 4280238490), (10, 2140119245), (11, 1945562950), (19, 1126378550), (22, 972781475), (25, 856047698), (38, 563189275), (43, 497702150), (50, 428023849), (55, 389112590), (86, 248851075), (95, 225275710), (97, 220630850), (110, 194556295), (190, 112637855), (194, 110315425), (209, 102398050), (215, 99540430), (275, 77822518), (418, 51199025), (430, 49770215), (473, 45245650), (475, 45055142), (485, 44126170), (491, 43586950), (550, 38911259), (817, 26194850), (946, 22622825), (950, 22527571), (970, 22063085), (982, 21793475), (1045, 20479610), (1067, 20057350), (1075, 19908086), (1634, 13097425), (1843, 11612150), (2090, 10239805), (2134, 10028675), (2150, 9954043), (2365, 9049130), (2425, 8825234), (2455, 8717390), (3686, 5806075), (4085, 5238970), (4171, 5130950), (4730, 4524565), (4850, 4412617), (4910, 4358695), (5225, 4095922), (5335, 4011470), (5401, 3962450), (8170, 2619485), (8342, 2565475), (8987, 2381350), (9215, 2322430), (9329, 2294050), (10450, 2047961), (10670, 2005735), (10802, 1981225), (11825, 1809826), (12275, 1743478), (17974, 1190675), (18430, 1161215), (18658, 1147025), (20273, 1055650), (20425, 1047794), (20855, 1026190), (21113, 1013650), (23650, 904913), (24550, 871739), (26675, 802294), (27005, 792490), (40546, 527825), (40850, 523897), (41710, 513095), (42226, 506825), (44935, 476270), (45881, 466450), (46075, 464486), (46645, 458810), (47627, 449350), (53350, 401147), (54010, 396245), (79249, 270050), (89870, 238135), (91762, 233225), (92150, 232243), (93290, 229405), (95254, 224675), (101365, 211130), (102619, 208550), (104275, 205238), (105565, 202730), (135025, 158498)]