21660176

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79633}}^1$

素因数の和:79658

約数の個数: 20

約数和(自身を含む): 44435772

約数和(自身を除く): 22775596

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79633, 159266, 318532, 637064, 1274128, 1353761, 2707522, 5415044, 10830088, 21660176]

約数ペア:

[(1, 21660176), (2, 10830088), (4, 5415044), (8, 2707522), (16, 1353761), (17, 1274128), (34, 637064), (68, 318532), (136, 159266), (272, 79633)]