21372528944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{102752543}}^1$

素因数の和:102752564

約数の個数: 20

約数和(自身を含む): 44594604096

約数和(自身を除く): 23222075152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 102752543, 205505086, 411010172, 822020344, 1335783059, 1644040688, 2671566118, 5343132236, 10686264472, 21372528944]

約数ペア:

[(1, 21372528944), (2, 10686264472), (4, 5343132236), (8, 2671566118), (13, 1644040688), (16, 1335783059), (26, 822020344), (52, 411010172), (104, 205505086), (208, 102752543)]