21911412890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1\times {\mathrm{24419}}^1$

素因数の和:25958

約数の個数: 32

約数和(自身を含む): 40116003840

約数和(自身を除く): 18204590950

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 1471, 2942, 7355, 14710, 24419, 48838, 89731, 122095, 179462, 244190, 448655, 897310, 1489559, 2979118, 7447795, 14895590, 35920349, 71840698, 179601745, 359203490, 2191141289, 4382282578, 10955706445, 21911412890]

約数ペア:

[(1, 21911412890), (2, 10955706445), (5, 4382282578), (10, 2191141289), (61, 359203490), (122, 179601745), (305, 71840698), (610, 35920349), (1471, 14895590), (2942, 7447795), (7355, 2979118), (14710, 1489559), (24419, 897310), (48838, 448655), (89731, 244190), (122095, 179462)]