21091296

素因数分解:

$2^5\times 3^1\times {\mathrm{83}}^1\times {\mathrm{2647}}^1$

素因数の和:2743

約数の個数: 48

約数和(自身を含む): 56052864

約数和(自身を除く): 34961568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 83, 96, 166, 249, 332, 498, 664, 996, 1328, 1992, 2647, 2656, 3984, 5294, 7941, 7968, 10588, 15882, 21176, 31764, 42352, 63528, 84704, 127056, 219701, 254112, 439402, 659103, 878804, 1318206, 1757608, 2636412, 3515216, 5272824, 7030432, 10545648, 21091296]

約数ペア:

[(1, 21091296), (2, 10545648), (3, 7030432), (4, 5272824), (6, 3515216), (8, 2636412), (12, 1757608), (16, 1318206), (24, 878804), (32, 659103), (48, 439402), (83, 254112), (96, 219701), (166, 127056), (249, 84704), (332, 63528), (498, 42352), (664, 31764), (996, 21176), (1328, 15882), (1992, 10588), (2647, 7968), (2656, 7941), (3984, 5294)]