21897132374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{1025819}}^1$

素因数の和:1026655

約数の個数: 16

約数和(自身を含む): 35415409680

約数和(自身を除く): 13518277306

約数列:

[1, 2, 13, 26, 821, 1642, 10673, 21346, 1025819, 2051638, 13335647, 26671294, 842197399, 1684394798, 10948566187, 21897132374]

約数ペア:

[(1, 21897132374), (2, 10948566187), (13, 1684394798), (26, 842197399), (821, 26671294), (1642, 13335647), (10673, 2051638), (21346, 1025819)]