21514545

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 96

約数和(自身を含む): 44271360

約数和(自身を除く): 22756815

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 41, 45, 65, 69, 115, 117, 123, 135, 169, 195, 205, 207, 299, 345, 351, 369, 507, 533, 585, 615, 621, 845, 897, 943, 1035, 1107, 1495, 1521, 1599, 1755, 1845, 2535, 2665, 2691, 2829, 3105, 3887, 4485, 4563, 4715, 4797, 5535, 6929, 7605, 7995, 8073, 8487, 11661, 12259, 13455, 14145, 14391, 19435, 20787, 22815, 23985, 25461, 34645, 34983, 36777, 40365, 42435, 58305, 61295, 62361, 71955, 103935, 104949, 110331, 127305, 159367, 174915, 183885, 187083, 311805, 330993, 478101, 524745, 551655, 796835, 935415, 1434303, 1654965, 2390505, 4302909, 7171515, 21514545]

約数ペア:

[(1, 21514545), (3, 7171515), (5, 4302909), (9, 2390505), (13, 1654965), (15, 1434303), (23, 935415), (27, 796835), (39, 551655), (41, 524745), (45, 478101), (65, 330993), (69, 311805), (115, 187083), (117, 183885), (123, 174915), (135, 159367), (169, 127305), (195, 110331), (205, 104949), (207, 103935), (299, 71955), (345, 62361), (351, 61295), (369, 58305), (507, 42435), (533, 40365), (585, 36777), (615, 34983), (621, 34645), (845, 25461), (897, 23985), (943, 22815), (1035, 20787), (1107, 19435), (1495, 14391), (1521, 14145), (1599, 13455), (1755, 12259), (1845, 11661), (2535, 8487), (2665, 8073), (2691, 7995), (2829, 7605), (3105, 6929), (3887, 5535), (4485, 4797), (4563, 4715)]