12621028

素因数分解:

$2^2\times 7^3\times {\mathrm{9199}}^1$

素因数の和:9224

約数の個数: 24

約数和(自身を含む): 25760000

約数和(自身を除く): 13138972

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 9199, 18398, 36796, 64393, 128786, 257572, 450751, 901502, 1803004, 3155257, 6310514, 12621028]

約数ペア:

[(1, 12621028), (2, 6310514), (4, 3155257), (7, 1803004), (14, 901502), (28, 450751), (49, 257572), (98, 128786), (196, 64393), (343, 36796), (686, 18398), (1372, 9199)]