21357076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6733}}^1$

素因数の和:6811

約数の個数: 24

約数和(自身を含む): 40915784

約数和(自身を除く): 19558708

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 6733, 13466, 26932, 87529, 175058, 350116, 410713, 821426, 1642852, 5339269, 10678538, 21357076]

約数ペア:

[(1, 21357076), (2, 10678538), (4, 5339269), (13, 1642852), (26, 821426), (52, 410713), (61, 350116), (122, 175058), (244, 87529), (793, 26932), (1586, 13466), (3172, 6733)]