21620372008

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{44304041}}^1$

素因数の和:44304108

約数の個数: 16

約数和(自身を含む): 41202759060

約数和(自身を除く): 19582387052

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 44304041, 88608082, 177216164, 354432328, 2702546501, 5405093002, 10810186004, 21620372008]

約数ペア:

[(1, 21620372008), (2, 10810186004), (4, 5405093002), (8, 2702546501), (61, 354432328), (122, 177216164), (244, 88608082), (488, 44304041)]