21529599

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4679

約数の個数: 32

約数和(自身を含む): 37416960

約数和(自身を除く): 15887361

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4639, 4641, 13917, 32473, 60307, 78863, 97419, 180921, 236589, 422149, 552041, 1025219, 1266447, 1656123, 3075657, 7176533, 21529599]

約数ペア:

[(1, 21529599), (3, 7176533), (7, 3075657), (13, 1656123), (17, 1266447), (21, 1025219), (39, 552041), (51, 422149), (91, 236589), (119, 180921), (221, 97419), (273, 78863), (357, 60307), (663, 32473), (1547, 13917), (4639, 4641)]