21667896

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{1993}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 59102160

約数和(自身を除く): 37434264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 1993, 2718, 3624, 3986, 5436, 5979, 7972, 10872, 11958, 15944, 17937, 23916, 35874, 47832, 71748, 143496, 300943, 601886, 902829, 1203772, 1805658, 2407544, 2708487, 3611316, 5416974, 7222632, 10833948, 21667896]

約数ペア:

[(1, 21667896), (2, 10833948), (3, 7222632), (4, 5416974), (6, 3611316), (8, 2708487), (9, 2407544), (12, 1805658), (18, 1203772), (24, 902829), (36, 601886), (72, 300943), (151, 143496), (302, 71748), (453, 47832), (604, 35874), (906, 23916), (1208, 17937), (1359, 15944), (1812, 11958), (1993, 10872), (2718, 7972), (3624, 5979), (3986, 5436)]