21915900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{8117}}^1$

素因数の和:8140

約数の個数: 72

約数和(自身を含む): 70464240

約数和(自身を除く): 48548340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700, 8117, 16234, 24351, 32468, 40585, 48702, 73053, 81170, 97404, 121755, 146106, 162340, 202925, 219159, 243510, 292212, 365265, 405850, 438318, 487020, 608775, 730530, 811700, 876636, 1095795, 1217550, 1461060, 1826325, 2191590, 2435100, 3652650, 4383180, 5478975, 7305300, 10957950, 21915900]

約数ペア:

[(1, 21915900), (2, 10957950), (3, 7305300), (4, 5478975), (5, 4383180), (6, 3652650), (9, 2435100), (10, 2191590), (12, 1826325), (15, 1461060), (18, 1217550), (20, 1095795), (25, 876636), (27, 811700), (30, 730530), (36, 608775), (45, 487020), (50, 438318), (54, 405850), (60, 365265), (75, 292212), (90, 243510), (100, 219159), (108, 202925), (135, 162340), (150, 146106), (180, 121755), (225, 97404), (270, 81170), (300, 73053), (450, 48702), (540, 40585), (675, 32468), (900, 24351), (1350, 16234), (2700, 8117)]