21894974

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{911}}^1$

素因数の和:1171

約数の個数: 16

約数和(自身を含む): 33587136

約数和(自身を除く): 11692162

約数列:

[1, 2, 61, 122, 197, 394, 911, 1822, 12017, 24034, 55571, 111142, 179467, 358934, 10947487, 21894974]

約数ペア:

[(1, 21894974), (2, 10947487), (61, 358934), (122, 179467), (197, 111142), (394, 55571), (911, 24034), (1822, 12017)]