21738992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123517}}^1$

素因数の和:123536

約数の個数: 20

約数和(自身を含む): 45948696

約数和(自身を除く): 24209704

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123517, 247034, 494068, 988136, 1358687, 1976272, 2717374, 5434748, 10869496, 21738992]

約数ペア:

[(1, 21738992), (2, 10869496), (4, 5434748), (8, 2717374), (11, 1976272), (16, 1358687), (22, 988136), (44, 494068), (88, 247034), (176, 123517)]