21615382

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 24

約数和(自身を含む): 34240752

約数和(自身を除く): 12625370

約数列:

[1, 2, 29, 58, 71, 142, 181, 362, 841, 1682, 2059, 4118, 5249, 10498, 12851, 25702, 59711, 119422, 152221, 304442, 372679, 745358, 10807691, 21615382]

約数ペア:

[(1, 21615382), (2, 10807691), (29, 745358), (58, 372679), (71, 304442), (142, 152221), (181, 119422), (362, 59711), (841, 25702), (1682, 12851), (2059, 10498), (4118, 5249)]