21938472

素因数分解:

$2^3\times 3^3\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2223

約数の個数: 64

約数和(自身を含む): 62265600

約数和(自身を除く): 40327128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 94, 108, 141, 188, 216, 282, 376, 423, 564, 846, 1128, 1269, 1692, 2161, 2538, 3384, 4322, 5076, 6483, 8644, 10152, 12966, 17288, 19449, 25932, 38898, 51864, 58347, 77796, 101567, 116694, 155592, 203134, 233388, 304701, 406268, 466776, 609402, 812536, 914103, 1218804, 1828206, 2437608, 2742309, 3656412, 5484618, 7312824, 10969236, 21938472]

約数ペア:

[(1, 21938472), (2, 10969236), (3, 7312824), (4, 5484618), (6, 3656412), (8, 2742309), (9, 2437608), (12, 1828206), (18, 1218804), (24, 914103), (27, 812536), (36, 609402), (47, 466776), (54, 406268), (72, 304701), (94, 233388), (108, 203134), (141, 155592), (188, 116694), (216, 101567), (282, 77796), (376, 58347), (423, 51864), (564, 38898), (846, 25932), (1128, 19449), (1269, 17288), (1692, 12966), (2161, 10152), (2538, 8644), (3384, 6483), (4322, 5076)]