42268821

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{683}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 65811744

約数和(自身を除く): 23542923

約数列:

[1, 3, 7, 21, 49, 147, 421, 683, 1263, 2049, 2947, 4781, 8841, 14343, 20629, 33467, 61887, 100401, 287543, 862629, 2012801, 6038403, 14089607, 42268821]

約数ペア:

[(1, 42268821), (3, 14089607), (7, 6038403), (21, 2012801), (49, 862629), (147, 287543), (421, 100401), (683, 61887), (1263, 33467), (2049, 20629), (2947, 14343), (4781, 8841)]