21139038

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{3019}}^1$

素因数の和:3416

約数の個数: 24

約数和(自身を含む): 45934200

約数和(自身を除く): 24795162

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 3019, 3501, 6038, 7002, 9057, 18114, 27171, 54342, 1174391, 2348782, 3523173, 7046346, 10569519, 21139038]

約数ペア:

[(1, 21139038), (2, 10569519), (3, 7046346), (6, 3523173), (9, 2348782), (18, 1174391), (389, 54342), (778, 27171), (1167, 18114), (2334, 9057), (3019, 7002), (3501, 6038)]