21853125

素因数分解:

$3^3\times 5^5\times 7^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 96

約数和(自身を含む): 47496960

約数和(自身を除く): 25643835

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 37, 45, 63, 75, 105, 111, 125, 135, 175, 185, 189, 225, 259, 315, 333, 375, 525, 555, 625, 675, 777, 875, 925, 945, 999, 1125, 1295, 1575, 1665, 1875, 2331, 2625, 2775, 3125, 3375, 3885, 4375, 4625, 4725, 4995, 5625, 6475, 6993, 7875, 8325, 9375, 11655, 13125, 13875, 16875, 19425, 21875, 23125, 23625, 24975, 28125, 32375, 34965, 39375, 41625, 58275, 65625, 69375, 84375, 97125, 115625, 118125, 124875, 161875, 174825, 196875, 208125, 291375, 346875, 485625, 590625, 624375, 809375, 874125, 1040625, 1456875, 2428125, 3121875, 4370625, 7284375, 21853125]

約数ペア:

[(1, 21853125), (3, 7284375), (5, 4370625), (7, 3121875), (9, 2428125), (15, 1456875), (21, 1040625), (25, 874125), (27, 809375), (35, 624375), (37, 590625), (45, 485625), (63, 346875), (75, 291375), (105, 208125), (111, 196875), (125, 174825), (135, 161875), (175, 124875), (185, 118125), (189, 115625), (225, 97125), (259, 84375), (315, 69375), (333, 65625), (375, 58275), (525, 41625), (555, 39375), (625, 34965), (675, 32375), (777, 28125), (875, 24975), (925, 23625), (945, 23125), (999, 21875), (1125, 19425), (1295, 16875), (1575, 13875), (1665, 13125), (1875, 11655), (2331, 9375), (2625, 8325), (2775, 7875), (3125, 6993), (3375, 6475), (3885, 5625), (4375, 4995), (4625, 4725)]