21072582

素因数分解:

$2^1\times 3^3\times {\mathrm{359}}^1\times {\mathrm{1087}}^1$

素因数の和:1457

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 25929018

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 359, 718, 1077, 1087, 2154, 2174, 3231, 3261, 6462, 6522, 9693, 9783, 19386, 19566, 29349, 58698, 390233, 780466, 1170699, 2341398, 3512097, 7024194, 10536291, 21072582]

約数ペア:

[(1, 21072582), (2, 10536291), (3, 7024194), (6, 3512097), (9, 2341398), (18, 1170699), (27, 780466), (54, 390233), (359, 58698), (718, 29349), (1077, 19566), (1087, 19386), (2154, 9783), (2174, 9693), (3231, 6522), (3261, 6462)]