21296070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:510

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39356730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 31, 34, 45, 51, 62, 85, 90, 93, 102, 153, 155, 170, 186, 255, 279, 306, 310, 449, 465, 510, 527, 558, 765, 898, 930, 1054, 1347, 1395, 1530, 1581, 2245, 2635, 2694, 2790, 3162, 4041, 4490, 4743, 5270, 6735, 7633, 7905, 8082, 9486, 13470, 13919, 15266, 15810, 20205, 22899, 23715, 27838, 38165, 40410, 41757, 45798, 47430, 68697, 69595, 76330, 83514, 114495, 125271, 137394, 139190, 208785, 228990, 236623, 250542, 343485, 417570, 473246, 626355, 686970, 709869, 1183115, 1252710, 1419738, 2129607, 2366230, 3549345, 4259214, 7098690, 10648035, 21296070]

約数ペア:

[(1, 21296070), (2, 10648035), (3, 7098690), (5, 4259214), (6, 3549345), (9, 2366230), (10, 2129607), (15, 1419738), (17, 1252710), (18, 1183115), (30, 709869), (31, 686970), (34, 626355), (45, 473246), (51, 417570), (62, 343485), (85, 250542), (90, 236623), (93, 228990), (102, 208785), (153, 139190), (155, 137394), (170, 125271), (186, 114495), (255, 83514), (279, 76330), (306, 69595), (310, 68697), (449, 47430), (465, 45798), (510, 41757), (527, 40410), (558, 38165), (765, 27838), (898, 23715), (930, 22899), (1054, 20205), (1347, 15810), (1395, 15266), (1530, 13919), (1581, 13470), (2245, 9486), (2635, 8082), (2694, 7905), (2790, 7633), (3162, 6735), (4041, 5270), (4490, 4743)]