21063832

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19760168

約数列:

[1, 2, 4, 8, 41, 82, 149, 164, 298, 328, 431, 596, 862, 1192, 1724, 3448, 6109, 12218, 17671, 24436, 35342, 48872, 64219, 70684, 128438, 141368, 256876, 513752, 2632979, 5265958, 10531916, 21063832]

約数ペア:

[(1, 21063832), (2, 10531916), (4, 5265958), (8, 2632979), (41, 513752), (82, 256876), (149, 141368), (164, 128438), (298, 70684), (328, 64219), (431, 48872), (596, 35342), (862, 24436), (1192, 17671), (1724, 12218), (3448, 6109)]