21467005

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 31553280

約数和(自身を除く): 10086275

約数列:

[1, 5, 7, 17, 35, 85, 109, 119, 331, 545, 595, 763, 1655, 1853, 2317, 3815, 5627, 9265, 11585, 12971, 28135, 36079, 39389, 64855, 180395, 196945, 252553, 613343, 1262765, 3066715, 4293401, 21467005]

約数ペア:

[(1, 21467005), (5, 4293401), (7, 3066715), (17, 1262765), (35, 613343), (85, 252553), (109, 196945), (119, 180395), (331, 64855), (545, 39389), (595, 36079), (763, 28135), (1655, 12971), (1853, 11585), (2317, 9265), (3815, 5627)]