21384344

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{4799}}^1$

素因数の和:5362

約数の個数: 16

約数和(自身を含む): 40176000

約数和(自身を除く): 18791656

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 4799, 9598, 19196, 38392, 2673043, 5346086, 10692172, 21384344]

約数ペア:

[(1, 21384344), (2, 10692172), (4, 5346086), (8, 2673043), (557, 38392), (1114, 19196), (2228, 9598), (4456, 4799)]