21914490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{677}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 57407616

約数和(自身を除く): 35493126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 677, 830, 1079, 1245, 1354, 2031, 2158, 2490, 3237, 3385, 4062, 5395, 6474, 6770, 8801, 10155, 10790, 16185, 17602, 20310, 26403, 32370, 44005, 52806, 56191, 88010, 112382, 132015, 168573, 264030, 280955, 337146, 561910, 730483, 842865, 1460966, 1685730, 2191449, 3652415, 4382898, 7304830, 10957245, 21914490]

約数ペア:

[(1, 21914490), (2, 10957245), (3, 7304830), (5, 4382898), (6, 3652415), (10, 2191449), (13, 1685730), (15, 1460966), (26, 842865), (30, 730483), (39, 561910), (65, 337146), (78, 280955), (83, 264030), (130, 168573), (166, 132015), (195, 112382), (249, 88010), (390, 56191), (415, 52806), (498, 44005), (677, 32370), (830, 26403), (1079, 20310), (1245, 17602), (1354, 16185), (2031, 10790), (2158, 10155), (2490, 8801), (3237, 6770), (3385, 6474), (4062, 5395)]