21802275

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 44568576

約数和(自身を除く): 22766301

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 165, 207, 225, 253, 275, 345, 383, 495, 575, 759, 825, 1035, 1149, 1265, 1725, 1915, 2277, 2475, 3447, 3795, 4213, 5175, 5745, 6325, 8809, 9575, 11385, 12639, 17235, 18975, 21065, 26427, 28725, 37917, 44045, 56925, 63195, 79281, 86175, 96899, 105325, 132135, 189585, 220225, 290697, 315975, 396405, 484495, 660675, 872091, 947925, 1453485, 1982025, 2422475, 4360455, 7267425, 21802275]

約数ペア:

[(1, 21802275), (3, 7267425), (5, 4360455), (9, 2422475), (11, 1982025), (15, 1453485), (23, 947925), (25, 872091), (33, 660675), (45, 484495), (55, 396405), (69, 315975), (75, 290697), (99, 220225), (115, 189585), (165, 132135), (207, 105325), (225, 96899), (253, 86175), (275, 79281), (345, 63195), (383, 56925), (495, 44045), (575, 37917), (759, 28725), (825, 26427), (1035, 21065), (1149, 18975), (1265, 17235), (1725, 12639), (1915, 11385), (2277, 9575), (2475, 8809), (3447, 6325), (3795, 5745), (4213, 5175)]