21946275

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 45205440

約数和(自身を除く): 23259165

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 41, 45, 61, 65, 75, 117, 123, 135, 183, 195, 205, 225, 305, 325, 351, 369, 533, 549, 585, 615, 675, 793, 915, 975, 1025, 1107, 1525, 1599, 1647, 1755, 1845, 2379, 2501, 2665, 2745, 2925, 3075, 3965, 4575, 4797, 5535, 7137, 7503, 7995, 8235, 8775, 9225, 11895, 12505, 13325, 13725, 14391, 19825, 21411, 22509, 23985, 27675, 32513, 35685, 37515, 39975, 41175, 59475, 62525, 67527, 71955, 97539, 107055, 112545, 119925, 162565, 178425, 187575, 292617, 337635, 359775, 487695, 535275, 562725, 812825, 877851, 1463085, 1688175, 2438475, 4389255, 7315425, 21946275]

約数ペア:

[(1, 21946275), (3, 7315425), (5, 4389255), (9, 2438475), (13, 1688175), (15, 1463085), (25, 877851), (27, 812825), (39, 562725), (41, 535275), (45, 487695), (61, 359775), (65, 337635), (75, 292617), (117, 187575), (123, 178425), (135, 162565), (183, 119925), (195, 112545), (205, 107055), (225, 97539), (305, 71955), (325, 67527), (351, 62525), (369, 59475), (533, 41175), (549, 39975), (585, 37515), (615, 35685), (675, 32513), (793, 27675), (915, 23985), (975, 22509), (1025, 21411), (1107, 19825), (1525, 14391), (1599, 13725), (1647, 13325), (1755, 12505), (1845, 11895), (2379, 9225), (2501, 8775), (2665, 8235), (2745, 7995), (2925, 7503), (3075, 7137), (3965, 5535), (4575, 4797)]