21976654

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{82619}}^1$

素因数の和:82647

約数の個数: 16

約数和(自身を含む): 39657600

約数和(自身を除く): 17680946

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 82619, 165238, 578333, 1156666, 1569761, 3139522, 10988327, 21976654]

約数ペア:

[(1, 21976654), (2, 10988327), (7, 3139522), (14, 1569761), (19, 1156666), (38, 578333), (133, 165238), (266, 82619)]