21108802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3209}}^1$

素因数の和:3258

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 17719358

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 598, 3209, 3289, 6418, 6578, 35299, 41717, 70598, 73807, 83434, 147614, 458887, 811877, 917774, 959491, 1623754, 1918982, 10554401, 21108802]

約数ペア:

[(1, 21108802), (2, 10554401), (11, 1918982), (13, 1623754), (22, 959491), (23, 917774), (26, 811877), (46, 458887), (143, 147614), (253, 83434), (286, 73807), (299, 70598), (506, 41717), (598, 35299), (3209, 6578), (3289, 6418)]