21115968

素因数分解:

$2^6\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1635

約数の個数: 56

約数和(自身を含む): 56692800

約数和(自身を除く): 35576832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 142, 192, 213, 284, 426, 568, 852, 1136, 1549, 1704, 2272, 3098, 3408, 4544, 4647, 6196, 6816, 9294, 12392, 13632, 18588, 24784, 37176, 49568, 74352, 99136, 109979, 148704, 219958, 297408, 329937, 439916, 659874, 879832, 1319748, 1759664, 2639496, 3519328, 5278992, 7038656, 10557984, 21115968]

約数ペア:

[(1, 21115968), (2, 10557984), (3, 7038656), (4, 5278992), (6, 3519328), (8, 2639496), (12, 1759664), (16, 1319748), (24, 879832), (32, 659874), (48, 439916), (64, 329937), (71, 297408), (96, 219958), (142, 148704), (192, 109979), (213, 99136), (284, 74352), (426, 49568), (568, 37176), (852, 24784), (1136, 18588), (1549, 13632), (1704, 12392), (2272, 9294), (3098, 6816), (3408, 6196), (4544, 4647)]