21996211310

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{87911}}^1$

素因数の和:88240

約数の個数: 32

約数和(自身を含む): 40104751104

約数和(自身を除く): 18108539794

約数列:

[1, 2, 5, 10, 131, 191, 262, 382, 655, 955, 1310, 1910, 25021, 50042, 87911, 125105, 175822, 250210, 439555, 879110, 11516341, 16791001, 23032682, 33582002, 57581705, 83955005, 115163410, 167910010, 2199621131, 4399242262, 10998105655, 21996211310]

約数ペア:

[(1, 21996211310), (2, 10998105655), (5, 4399242262), (10, 2199621131), (131, 167910010), (191, 115163410), (262, 83955005), (382, 57581705), (655, 33582002), (955, 23032682), (1310, 16791001), (1910, 11516341), (25021, 879110), (50042, 439555), (87911, 250210), (125105, 175822)]