21635991

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 34991040

約数和(自身を除く): 13355049

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 761, 1053, 2187, 2283, 3159, 6849, 9477, 9893, 20547, 28431, 29679, 61641, 89037, 184923, 267111, 554769, 801333, 1664307, 2403999, 7211997, 21635991]

約数ペア:

[(1, 21635991), (3, 7211997), (9, 2403999), (13, 1664307), (27, 801333), (39, 554769), (81, 267111), (117, 184923), (243, 89037), (351, 61641), (729, 29679), (761, 28431), (1053, 20547), (2187, 9893), (2283, 9477), (3159, 6849)]