21659049

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 33561600

約数和(自身を除く): 11902551

約数列:

[1, 3, 9, 27, 31, 93, 113, 229, 279, 339, 687, 837, 1017, 2061, 3051, 3503, 6183, 7099, 10509, 21297, 25877, 31527, 63891, 77631, 94581, 191673, 232893, 698679, 802187, 2406561, 7219683, 21659049]

約数ペア:

[(1, 21659049), (3, 7219683), (9, 2406561), (27, 802187), (31, 698679), (93, 232893), (113, 191673), (229, 94581), (279, 77631), (339, 63891), (687, 31527), (837, 25877), (1017, 21297), (2061, 10509), (3051, 7099), (3503, 6183)]