21195858

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 43464960

約数和(自身を除く): 22269102

約数列:

[1, 2, 3, 6, 79, 97, 158, 194, 237, 291, 461, 474, 582, 922, 1383, 2766, 7663, 15326, 22989, 36419, 44717, 45978, 72838, 89434, 109257, 134151, 218514, 268302, 3532643, 7065286, 10597929, 21195858]

約数ペア:

[(1, 21195858), (2, 10597929), (3, 7065286), (6, 3532643), (79, 268302), (97, 218514), (158, 134151), (194, 109257), (237, 89434), (291, 72838), (461, 45978), (474, 44717), (582, 36419), (922, 22989), (1383, 15326), (2766, 7663)]