21589750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 50701248

約数和(自身を除く): 29111498

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 73, 91, 125, 130, 146, 169, 175, 182, 250, 325, 338, 350, 365, 455, 511, 650, 730, 845, 875, 910, 949, 1022, 1183, 1625, 1690, 1750, 1825, 1898, 2275, 2366, 2555, 3250, 3650, 4225, 4550, 4745, 5110, 5915, 6643, 8450, 9125, 9490, 11375, 11830, 12337, 12775, 13286, 18250, 21125, 22750, 23725, 24674, 25550, 29575, 33215, 42250, 47450, 59150, 61685, 63875, 66430, 86359, 118625, 123370, 127750, 147875, 166075, 172718, 237250, 295750, 308425, 332150, 431795, 616850, 830375, 863590, 1542125, 1660750, 2158975, 3084250, 4317950, 10794875, 21589750]

約数ペア:

[(1, 21589750), (2, 10794875), (5, 4317950), (7, 3084250), (10, 2158975), (13, 1660750), (14, 1542125), (25, 863590), (26, 830375), (35, 616850), (50, 431795), (65, 332150), (70, 308425), (73, 295750), (91, 237250), (125, 172718), (130, 166075), (146, 147875), (169, 127750), (175, 123370), (182, 118625), (250, 86359), (325, 66430), (338, 63875), (350, 61685), (365, 59150), (455, 47450), (511, 42250), (650, 33215), (730, 29575), (845, 25550), (875, 24674), (910, 23725), (949, 22750), (1022, 21125), (1183, 18250), (1625, 13286), (1690, 12775), (1750, 12337), (1825, 11830), (1898, 11375), (2275, 9490), (2366, 9125), (2555, 8450), (3250, 6643), (3650, 5915), (4225, 5110), (4550, 4745)]