21102434

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{1151}}^1$

素因数の和:1345

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 11245726

約数列:

[1, 2, 89, 103, 178, 206, 1151, 2302, 9167, 18334, 102439, 118553, 204878, 237106, 10551217, 21102434]

約数ペア:

[(1, 21102434), (2, 10551217), (89, 237106), (103, 204878), (178, 118553), (206, 102439), (1151, 18334), (2302, 9167)]