21227270

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:704

約数の個数: 32

約数和(自身を含む): 39693888

約数和(自身を除く): 18466618

約数列:

[1, 2, 5, 10, 37, 74, 103, 185, 206, 370, 515, 557, 1030, 1114, 2785, 3811, 5570, 7622, 19055, 20609, 38110, 41218, 57371, 103045, 114742, 206090, 286855, 573710, 2122727, 4245454, 10613635, 21227270]

約数ペア:

[(1, 21227270), (2, 10613635), (5, 4245454), (10, 2122727), (37, 573710), (74, 286855), (103, 206090), (185, 114742), (206, 103045), (370, 57371), (515, 41218), (557, 38110), (1030, 20609), (1114, 19055), (2785, 7622), (3811, 5570)]