21715696790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4969267}}^1$

素因数の和:4969316

約数の個数: 32

約数和(自身を含む): 42934475520

約数和(自身を除く): 21218778730

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 4969267, 9938534, 24846335, 49692670, 94416073, 114293141, 188832146, 228586282, 472080365, 571465705, 944160730, 1142931410, 2171569679, 4343139358, 10857848395, 21715696790]

約数ペア:

[(1, 21715696790), (2, 10857848395), (5, 4343139358), (10, 2171569679), (19, 1142931410), (23, 944160730), (38, 571465705), (46, 472080365), (95, 228586282), (115, 188832146), (190, 114293141), (230, 94416073), (437, 49692670), (874, 24846335), (2185, 9938534), (4370, 4969267)]