21695238

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6967}}^1$

素因数の和:7148

約数の個数: 24

約数和(自身を含む): 47284848

約数和(自身を除く): 25589610

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 6967, 13934, 20901, 41802, 62703, 125406, 1205291, 2410582, 3615873, 7231746, 10847619, 21695238]

約数ペア:

[(1, 21695238), (2, 10847619), (3, 7231746), (6, 3615873), (9, 2410582), (18, 1205291), (173, 125406), (346, 62703), (519, 41802), (1038, 20901), (1557, 13934), (3114, 6967)]