21259038

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1213}}^1$

素因数の和:1368

約数の個数: 32

約数和(自身を含む): 44752896

約数和(自身を除く): 23493858

約数列:

[1, 2, 3, 6, 23, 46, 69, 127, 138, 254, 381, 762, 1213, 2426, 2921, 3639, 5842, 7278, 8763, 17526, 27899, 55798, 83697, 154051, 167394, 308102, 462153, 924306, 3543173, 7086346, 10629519, 21259038]

約数ペア:

[(1, 21259038), (2, 10629519), (3, 7086346), (6, 3543173), (23, 924306), (46, 462153), (69, 308102), (127, 167394), (138, 154051), (254, 83697), (381, 55798), (762, 27899), (1213, 17526), (2426, 8763), (2921, 7278), (3639, 5842)]