21014972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3163}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 40397952

約数和(自身を除く): 19382980

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3163, 3322, 6326, 6644, 12652, 34793, 69586, 139172, 477613, 955226, 1910452, 5253743, 10507486, 21014972]

約数ペア:

[(1, 21014972), (2, 10507486), (4, 5253743), (11, 1910452), (22, 955226), (44, 477613), (151, 139172), (302, 69586), (604, 34793), (1661, 12652), (3163, 6644), (3322, 6326)]