21800086

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:805

約数の個数: 48

約数和(自身を含む): 43551648

約数和(自身を除く): 21751562

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 121, 154, 187, 238, 242, 374, 757, 847, 1309, 1514, 1694, 2057, 2618, 4114, 5299, 8327, 10598, 12869, 14399, 16654, 25738, 28798, 58289, 90083, 91597, 116578, 141559, 180166, 183194, 283118, 641179, 990913, 1282358, 1557149, 1981826, 3114298, 10900043, 21800086]

約数ペア:

[(1, 21800086), (2, 10900043), (7, 3114298), (11, 1981826), (14, 1557149), (17, 1282358), (22, 990913), (34, 641179), (77, 283118), (119, 183194), (121, 180166), (154, 141559), (187, 116578), (238, 91597), (242, 90083), (374, 58289), (757, 28798), (847, 25738), (1309, 16654), (1514, 14399), (1694, 12869), (2057, 10598), (2618, 8327), (4114, 5299)]