21715706870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15185809}}^1$

素因数の和:15185840

約数の個数: 32

約数和(自身を含む): 45921889440

約数和(自身を除く): 24206182570

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15185809, 30371618, 75929045, 151858090, 167043899, 197415517, 334087798, 394831034, 835219495, 987077585, 1670438990, 1974155170, 2171570687, 4343141374, 10857853435, 21715706870]

約数ペア:

[(1, 21715706870), (2, 10857853435), (5, 4343141374), (10, 2171570687), (11, 1974155170), (13, 1670438990), (22, 987077585), (26, 835219495), (55, 394831034), (65, 334087798), (110, 197415517), (130, 167043899), (143, 151858090), (286, 75929045), (715, 30371618), (1430, 15185809)]