21554558

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:667

約数の個数: 16

約数和(自身を含む): 32774544

約数和(自身を除く): 11219986

約数列:

[1, 2, 197, 227, 241, 394, 454, 482, 44719, 47477, 54707, 89438, 94954, 109414, 10777279, 21554558]

約数ペア:

[(1, 21554558), (2, 10777279), (197, 109414), (227, 94954), (241, 89438), (394, 54707), (454, 47477), (482, 44719)]