21319388

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{751}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 38406144

約数和(自身を除く): 17086756

約数列:

[1, 2, 4, 47, 94, 151, 188, 302, 604, 751, 1502, 3004, 7097, 14194, 28388, 35297, 70594, 113401, 141188, 226802, 453604, 5329847, 10659694, 21319388]

約数ペア:

[(1, 21319388), (2, 10659694), (4, 5329847), (47, 453604), (94, 226802), (151, 141188), (188, 113401), (302, 70594), (604, 35297), (751, 28388), (1502, 14194), (3004, 7097)]