21720348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{46411}}^1$

素因数の和:46434

約数の個数: 36

約数和(自身を含む): 59128888

約数和(自身を除く): 37408540

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 46411, 92822, 139233, 185644, 278466, 417699, 556932, 603343, 835398, 1206686, 1670796, 1810029, 2413372, 3620058, 5430087, 7240116, 10860174, 21720348]

約数ペア:

[(1, 21720348), (2, 10860174), (3, 7240116), (4, 5430087), (6, 3620058), (9, 2413372), (12, 1810029), (13, 1670796), (18, 1206686), (26, 835398), (36, 603343), (39, 556932), (52, 417699), (78, 278466), (117, 185644), (156, 139233), (234, 92822), (468, 46411)]