21155582

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:992

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 17662210

約数列:

[1, 2, 7, 14, 17, 34, 103, 119, 206, 238, 721, 863, 1442, 1726, 1751, 3502, 6041, 12082, 12257, 14671, 24514, 29342, 88889, 102697, 177778, 205394, 622223, 1244446, 1511113, 3022226, 10577791, 21155582]

約数ペア:

[(1, 21155582), (2, 10577791), (7, 3022226), (14, 1511113), (17, 1244446), (34, 622223), (103, 205394), (119, 177778), (206, 102697), (238, 88889), (721, 29342), (863, 24514), (1442, 14671), (1726, 12257), (1751, 12082), (3502, 6041)]