21958755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16087}}^1$

素因数の和:16115

約数の個数: 32

約数和(自身を含む): 43244544

約数和(自身を除く): 21285789

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 16087, 48261, 80435, 112609, 209131, 241305, 337827, 563045, 627393, 1045655, 1463917, 1689135, 3136965, 4391751, 7319585, 21958755]

約数ペア:

[(1, 21958755), (3, 7319585), (5, 4391751), (7, 3136965), (13, 1689135), (15, 1463917), (21, 1045655), (35, 627393), (39, 563045), (65, 337827), (91, 241305), (105, 209131), (195, 112609), (273, 80435), (455, 48261), (1365, 16087)]