21276474

素因数分解:

$2^1\times 3^1\times {\mathrm{659}}^1\times {\mathrm{5381}}^1$

素因数の和:6045

約数の個数: 16

約数和(自身を含む): 42625440

約数和(自身を除く): 21348966

約数列:

[1, 2, 3, 6, 659, 1318, 1977, 3954, 5381, 10762, 16143, 32286, 3546079, 7092158, 10638237, 21276474]

約数ペア:

[(1, 21276474), (2, 10638237), (3, 7092158), (6, 3546079), (659, 32286), (1318, 16143), (1977, 10762), (3954, 5381)]