21091345504

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:957

約数の個数: 192

約数和(自身を含む): 47725977600

約数和(自身を除く): 26634632096

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 32, 38, 47, 58, 62, 76, 94, 116, 124, 152, 188, 232, 248, 304, 376, 464, 496, 551, 589, 608, 752, 821, 893, 899, 928, 992, 1102, 1178, 1363, 1457, 1504, 1642, 1786, 1798, 2204, 2356, 2726, 2914, 3284, 3572, 3596, 4408, 4712, 5452, 5828, 6568, 7144, 7192, 8816, 9424, 10904, 11656, 13136, 14288, 14384, 15599, 17081, 17632, 18848, 21808, 23312, 23809, 25451, 25897, 26272, 27683, 28576, 28768, 31198, 34162, 38587, 42253, 43616, 46624, 47618, 50902, 51794, 55366, 62396, 68324, 77174, 84506, 95236, 101804, 103588, 110732, 124792, 136648, 154348, 169012, 190472, 203608, 207176, 221464, 249584, 273296, 308696, 338024, 380944, 407216, 414352, 442928, 452371, 483569, 499168, 546592, 617392, 676048, 733153, 738079, 761888, 802807, 814432, 828704, 885856, 904742, 967138, 1119023, 1196197, 1234784, 1352096, 1466306, 1476158, 1605614, 1809484, 1934276, 2238046, 2392394, 2932612, 2952316, 3211228, 3618968, 3868552, 4476092, 4784788, 5865224, 5904632, 6422456, 7237936, 7737104, 8952184, 9569576, 11730448, 11809264, 12844912, 14023501, 14475872, 15474208, 17904368, 19139152, 21261437, 22727743, 23460896, 23618528, 25689824, 28047002, 34689713, 35808736, 38278304, 42522874, 45455486, 56094004, 69379426, 85045748, 90910972, 112188008, 138758852, 170091496, 181821944, 224376016, 277517704, 340182992, 363643888, 448752032, 555035408, 659104547, 680365984, 727287776, 1110070816, 1318209094, 2636418188, 5272836376, 10545672752, 21091345504]

約数ペア:

[(1, 21091345504), (2, 10545672752), (4, 5272836376), (8, 2636418188), (16, 1318209094), (19, 1110070816), (29, 727287776), (31, 680365984), (32, 659104547), (38, 555035408), (47, 448752032), (58, 363643888), (62, 340182992), (76, 277517704), (94, 224376016), (116, 181821944), (124, 170091496), (152, 138758852), (188, 112188008), (232, 90910972), (248, 85045748), (304, 69379426), (376, 56094004), (464, 45455486), (496, 42522874), (551, 38278304), (589, 35808736), (608, 34689713), (752, 28047002), (821, 25689824), (893, 23618528), (899, 23460896), (928, 22727743), (992, 21261437), (1102, 19139152), (1178, 17904368), (1363, 15474208), (1457, 14475872), (1504, 14023501), (1642, 12844912), (1786, 11809264), (1798, 11730448), (2204, 9569576), (2356, 8952184), (2726, 7737104), (2914, 7237936), (3284, 6422456), (3572, 5904632), (3596, 5865224), (4408, 4784788), (4712, 4476092), (5452, 3868552), (5828, 3618968), (6568, 3211228), (7144, 2952316), (7192, 2932612), (8816, 2392394), (9424, 2238046), (10904, 1934276), (11656, 1809484), (13136, 1605614), (14288, 1476158), (14384, 1466306), (15599, 1352096), (17081, 1234784), (17632, 1196197), (18848, 1119023), (21808, 967138), (23312, 904742), (23809, 885856), (25451, 828704), (25897, 814432), (26272, 802807), (27683, 761888), (28576, 738079), (28768, 733153), (31198, 676048), (34162, 617392), (38587, 546592), (42253, 499168), (43616, 483569), (46624, 452371), (47618, 442928), (50902, 414352), (51794, 407216), (55366, 380944), (62396, 338024), (68324, 308696), (77174, 273296), (84506, 249584), (95236, 221464), (101804, 207176), (103588, 203608), (110732, 190472), (124792, 169012), (136648, 154348)]