21341744

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5581}}^1$

素因数の和:5828

約数の個数: 20

約数和(自身を含む): 41530080

約数和(自身を除く): 20188336

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5581, 11162, 22324, 44648, 89296, 1333859, 2667718, 5335436, 10670872, 21341744]

約数ペア:

[(1, 21341744), (2, 10670872), (4, 5335436), (8, 2667718), (16, 1333859), (239, 89296), (478, 44648), (956, 22324), (1912, 11162), (3824, 5581)]