21437048

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 41603760

約数和(自身を除く): 20166712

約数列:

[1, 2, 4, 8, 43, 86, 101, 172, 202, 344, 404, 617, 808, 1234, 2468, 4343, 4936, 8686, 17372, 26531, 34744, 53062, 62317, 106124, 124634, 212248, 249268, 498536, 2679631, 5359262, 10718524, 21437048]

約数ペア:

[(1, 21437048), (2, 10718524), (4, 5359262), (8, 2679631), (43, 498536), (86, 249268), (101, 212248), (172, 124634), (202, 106124), (344, 62317), (404, 53062), (617, 34744), (808, 26531), (1234, 17372), (2468, 8686), (4343, 4936)]