21269530

素因数分解:

$2^1\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2063}}^1$

素因数の和:3101

約数の個数: 16

約数和(自身を含む): 38340864

約数和(自身を除く): 17071334

約数列:

[1, 2, 5, 10, 1031, 2062, 2063, 4126, 5155, 10310, 10315, 20630, 2126953, 4253906, 10634765, 21269530]

約数ペア:

[(1, 21269530), (2, 10634765), (5, 4253906), (10, 2126953), (1031, 20630), (2062, 10315), (2063, 10310), (4126, 5155)]