21673953

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2797}}^1$

素因数の和:2854

約数の個数: 32

約数和(自身を含む): 37605120

約数和(自身を除く): 15931167

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 2797, 7749, 8391, 19579, 25173, 58737, 75519, 114677, 176211, 344031, 528633, 802739, 1032093, 2408217, 3096279, 7224651, 21673953]

約数ペア:

[(1, 21673953), (3, 7224651), (7, 3096279), (9, 2408217), (21, 1032093), (27, 802739), (41, 528633), (63, 344031), (123, 176211), (189, 114677), (287, 75519), (369, 58737), (861, 25173), (1107, 19579), (2583, 8391), (2797, 7749)]