21000939947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1\times {\mathrm{30557}}^1$

素因数の和:32422

約数の個数: 16

約数和(自身を含む): 23409872640

約数和(自身を除く): 2408932693

約数列:

[1, 13, 29, 377, 1823, 23699, 30557, 52867, 397241, 687271, 886153, 11519989, 55705411, 724170343, 1615456919, 21000939947]

約数ペア:

[(1, 21000939947), (13, 1615456919), (29, 724170343), (377, 55705411), (1823, 11519989), (23699, 886153), (30557, 687271), (52867, 397241)]