21893130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 71884800

約数和(自身を除く): 49991670

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 31, 35, 38, 42, 45, 57, 59, 62, 63, 70, 90, 93, 95, 105, 114, 118, 126, 133, 155, 171, 177, 186, 190, 210, 217, 266, 279, 285, 295, 310, 315, 342, 354, 399, 413, 434, 465, 531, 558, 570, 589, 590, 630, 651, 665, 798, 826, 855, 885, 930, 1062, 1085, 1121, 1178, 1197, 1239, 1302, 1330, 1395, 1710, 1767, 1770, 1829, 1953, 1995, 2065, 2170, 2242, 2394, 2478, 2655, 2790, 2945, 3255, 3363, 3534, 3658, 3717, 3906, 3990, 4123, 4130, 5301, 5310, 5487, 5605, 5890, 5985, 6195, 6510, 6726, 7434, 7847, 8246, 8835, 9145, 9765, 10089, 10602, 10974, 11210, 11970, 12369, 12390, 12803, 15694, 16461, 16815, 17670, 18290, 18585, 19530, 20178, 20615, 23541, 24738, 25606, 26505, 27435, 32922, 33630, 34751, 37107, 37170, 38409, 39235, 41230, 47082, 50445, 53010, 54870, 61845, 64015, 69502, 70623, 74214, 76818, 78470, 82305, 100890, 104253, 115227, 117705, 123690, 128030, 141246, 164610, 173755, 185535, 192045, 208506, 230454, 235410, 243257, 312759, 347510, 353115, 371070, 384090, 486514, 521265, 576135, 625518, 706230, 729771, 1042530, 1152270, 1216285, 1459542, 1563795, 2189313, 2432570, 3127590, 3648855, 4378626, 7297710, 10946565, 21893130]

約数ペア:

[(1, 21893130), (2, 10946565), (3, 7297710), (5, 4378626), (6, 3648855), (7, 3127590), (9, 2432570), (10, 2189313), (14, 1563795), (15, 1459542), (18, 1216285), (19, 1152270), (21, 1042530), (30, 729771), (31, 706230), (35, 625518), (38, 576135), (42, 521265), (45, 486514), (57, 384090), (59, 371070), (62, 353115), (63, 347510), (70, 312759), (90, 243257), (93, 235410), (95, 230454), (105, 208506), (114, 192045), (118, 185535), (126, 173755), (133, 164610), (155, 141246), (171, 128030), (177, 123690), (186, 117705), (190, 115227), (210, 104253), (217, 100890), (266, 82305), (279, 78470), (285, 76818), (295, 74214), (310, 70623), (315, 69502), (342, 64015), (354, 61845), (399, 54870), (413, 53010), (434, 50445), (465, 47082), (531, 41230), (558, 39235), (570, 38409), (589, 37170), (590, 37107), (630, 34751), (651, 33630), (665, 32922), (798, 27435), (826, 26505), (855, 25606), (885, 24738), (930, 23541), (1062, 20615), (1085, 20178), (1121, 19530), (1178, 18585), (1197, 18290), (1239, 17670), (1302, 16815), (1330, 16461), (1395, 15694), (1710, 12803), (1767, 12390), (1770, 12369), (1829, 11970), (1953, 11210), (1995, 10974), (2065, 10602), (2170, 10089), (2242, 9765), (2394, 9145), (2478, 8835), (2655, 8246), (2790, 7847), (2945, 7434), (3255, 6726), (3363, 6510), (3534, 6195), (3658, 5985), (3717, 5890), (3906, 5605), (3990, 5487), (4123, 5310), (4130, 5301)]