21896896

素因数分解:

$2^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1377

約数の個数: 56

約数和(自身を含む): 51039776

約数和(自身を除く): 29142880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 148, 224, 259, 296, 448, 518, 592, 1036, 1184, 1321, 2072, 2368, 2642, 4144, 5284, 8288, 9247, 10568, 16576, 18494, 21136, 36988, 42272, 48877, 73976, 84544, 97754, 147952, 195508, 295904, 342139, 391016, 591808, 684278, 782032, 1368556, 1564064, 2737112, 3128128, 5474224, 10948448, 21896896]

約数ペア:

[(1, 21896896), (2, 10948448), (4, 5474224), (7, 3128128), (8, 2737112), (14, 1564064), (16, 1368556), (28, 782032), (32, 684278), (37, 591808), (56, 391016), (64, 342139), (74, 295904), (112, 195508), (148, 147952), (224, 97754), (259, 84544), (296, 73976), (448, 48877), (518, 42272), (592, 36988), (1036, 21136), (1184, 18494), (1321, 16576), (2072, 10568), (2368, 9247), (2642, 8288), (4144, 5284)]