21846812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7927}}^1$

素因数の和:7997

約数の個数: 24

約数和(自身を含む): 41954976

約数和(自身を除く): 20108164

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7927, 15854, 31708, 103051, 206102, 412204, 420131, 840262, 1680524, 5461703, 10923406, 21846812]

約数ペア:

[(1, 21846812), (2, 10923406), (4, 5461703), (13, 1680524), (26, 840262), (52, 420131), (53, 412204), (106, 206102), (212, 103051), (689, 31708), (1378, 15854), (2756, 7927)]