21487056

素因数分解:

$2^4\times 3^1\times {\mathrm{239}}^1\times {\mathrm{1873}}^1$

素因数の和:2123

約数の個数: 40

約数和(自身を含む): 55770240

約数和(自身を除く): 34283184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 239, 478, 717, 956, 1434, 1873, 1912, 2868, 3746, 3824, 5619, 5736, 7492, 11238, 11472, 14984, 22476, 29968, 44952, 89904, 447647, 895294, 1342941, 1790588, 2685882, 3581176, 5371764, 7162352, 10743528, 21487056]

約数ペア:

[(1, 21487056), (2, 10743528), (3, 7162352), (4, 5371764), (6, 3581176), (8, 2685882), (12, 1790588), (16, 1342941), (24, 895294), (48, 447647), (239, 89904), (478, 44952), (717, 29968), (956, 22476), (1434, 14984), (1873, 11472), (1912, 11238), (2868, 7492), (3746, 5736), (3824, 5619)]