21213764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37087}}^1$

素因数の和:37115

約数の個数: 24

約数和(自身を含む): 43615488

約数和(自身を除く): 22401724

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37087, 74174, 148348, 407957, 482131, 815914, 964262, 1631828, 1928524, 5303441, 10606882, 21213764]

約数ペア:

[(1, 21213764), (2, 10606882), (4, 5303441), (11, 1928524), (13, 1631828), (22, 964262), (26, 815914), (44, 482131), (52, 407957), (143, 148348), (286, 74174), (572, 37087)]