21355104

素因数分解:

$2^5\times 3^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 56412720

約数和(自身を除く): 35057616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 181, 362, 543, 724, 1086, 1229, 1448, 2172, 2458, 2896, 3687, 4344, 4916, 5792, 7374, 8688, 9832, 14748, 17376, 19664, 29496, 39328, 58992, 117984, 222449, 444898, 667347, 889796, 1334694, 1779592, 2669388, 3559184, 5338776, 7118368, 10677552, 21355104]

約数ペア:

[(1, 21355104), (2, 10677552), (3, 7118368), (4, 5338776), (6, 3559184), (8, 2669388), (12, 1779592), (16, 1334694), (24, 889796), (32, 667347), (48, 444898), (96, 222449), (181, 117984), (362, 58992), (543, 39328), (724, 29496), (1086, 19664), (1229, 17376), (1448, 14748), (2172, 9832), (2458, 8688), (2896, 7374), (3687, 5792), (4344, 4916)]