21400782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9461}}^1$

素因数の和:9508

約数の個数: 32

約数和(自身を含む): 47688480

約数和(自身を除く): 26287698

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9461, 18922, 28383, 56766, 122993, 245986, 274369, 368979, 548738, 737958, 823107, 1646214, 3566797, 7133594, 10700391, 21400782]

約数ペア:

[(1, 21400782), (2, 10700391), (3, 7133594), (6, 3566797), (13, 1646214), (26, 823107), (29, 737958), (39, 548738), (58, 368979), (78, 274369), (87, 245986), (174, 122993), (377, 56766), (754, 28383), (1131, 18922), (2262, 9461)]