21983290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3049}}^1$

素因数の和:3166

約数の個数: 32

約数和(自身を含む): 45676800

約数和(自身を除く): 23693510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3049, 3605, 6098, 7210, 15245, 21343, 30490, 42686, 106715, 213430, 314047, 628094, 1570235, 2198329, 3140470, 4396658, 10991645, 21983290]

約数ペア:

[(1, 21983290), (2, 10991645), (5, 4396658), (7, 3140470), (10, 2198329), (14, 1570235), (35, 628094), (70, 314047), (103, 213430), (206, 106715), (515, 42686), (721, 30490), (1030, 21343), (1442, 15245), (3049, 7210), (3605, 6098)]