21928784

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{3271}}^1$

素因数の和:3698

約数の個数: 20

約数和(自身を含む): 42601440

約数和(自身を除く): 20672656

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3271, 3352, 6542, 6704, 13084, 26168, 52336, 1370549, 2741098, 5482196, 10964392, 21928784]

約数ペア:

[(1, 21928784), (2, 10964392), (4, 5482196), (8, 2741098), (16, 1370549), (419, 52336), (838, 26168), (1676, 13084), (3271, 6704), (3352, 6542)]