21008850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 52416288

約数和(自身を除く): 31407438

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 227, 454, 617, 681, 1135, 1234, 1362, 1851, 2270, 3085, 3405, 3702, 5675, 6170, 6810, 9255, 11350, 15425, 17025, 18510, 30850, 34050, 46275, 92550, 140059, 280118, 420177, 700295, 840354, 1400590, 2100885, 3501475, 4201770, 7002950, 10504425, 21008850]

約数ペア:

[(1, 21008850), (2, 10504425), (3, 7002950), (5, 4201770), (6, 3501475), (10, 2100885), (15, 1400590), (25, 840354), (30, 700295), (50, 420177), (75, 280118), (150, 140059), (227, 92550), (454, 46275), (617, 34050), (681, 30850), (1135, 18510), (1234, 17025), (1362, 15425), (1851, 11350), (2270, 9255), (3085, 6810), (3405, 6170), (3702, 5675)]