21153032

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155537}}^1$

素因数の和:155560

約数の個数: 16

約数和(自身を含む): 41995260

約数和(自身を除く): 20842228

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155537, 311074, 622148, 1244296, 2644129, 5288258, 10576516, 21153032]

約数ペア:

[(1, 21153032), (2, 10576516), (4, 5288258), (8, 2644129), (17, 1244296), (34, 622148), (68, 311074), (136, 155537)]