21108176336

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1514651}}^1$

素因数の和:1514739

約数の個数: 40

約数和(自身を含む): 44700409824

約数和(自身を除く): 23592233488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 1514651, 3029302, 6058604, 12117208, 19690463, 24234416, 39380926, 78761852, 101481617, 157523704, 202963234, 315047408, 405926468, 811852936, 1319261021, 1623705872, 2638522042, 5277044084, 10554088168, 21108176336]

約数ペア:

[(1, 21108176336), (2, 10554088168), (4, 5277044084), (8, 2638522042), (13, 1623705872), (16, 1319261021), (26, 811852936), (52, 405926468), (67, 315047408), (104, 202963234), (134, 157523704), (208, 101481617), (268, 78761852), (536, 39380926), (871, 24234416), (1072, 19690463), (1742, 12117208), (3484, 6058604), (6968, 3029302), (13936, 1514651)]