21000545274

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1\times {\mathrm{47303}}^1$

素因数の和:48582

約数の個数: 32

約数和(自身を含む): 42725729664

約数和(自身を除く): 21725184390

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 1213, 2426, 3639, 7278, 47303, 73993, 94606, 141909, 147986, 221979, 283818, 443958, 2885483, 5770966, 8656449, 17312898, 57378539, 114757078, 172135617, 344271234, 3500090879, 7000181758, 10500272637, 21000545274]

約数ペア:

[(1, 21000545274), (2, 10500272637), (3, 7000181758), (6, 3500090879), (61, 344271234), (122, 172135617), (183, 114757078), (366, 57378539), (1213, 17312898), (2426, 8656449), (3639, 5770966), (7278, 2885483), (47303, 443958), (73993, 283818), (94606, 221979), (141909, 147986)]