21823350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2081

約数の個数: 48

約数和(自身を含む): 54890832

約数和(自身を除く): 33067482

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 365, 438, 730, 1095, 1825, 1993, 2190, 3650, 3986, 5475, 5979, 9965, 10950, 11958, 19930, 29895, 49825, 59790, 99650, 145489, 149475, 290978, 298950, 436467, 727445, 872934, 1454890, 2182335, 3637225, 4364670, 7274450, 10911675, 21823350]

約数ペア:

[(1, 21823350), (2, 10911675), (3, 7274450), (5, 4364670), (6, 3637225), (10, 2182335), (15, 1454890), (25, 872934), (30, 727445), (50, 436467), (73, 298950), (75, 290978), (146, 149475), (150, 145489), (219, 99650), (365, 59790), (438, 49825), (730, 29895), (1095, 19930), (1825, 11958), (1993, 10950), (2190, 9965), (3650, 5979), (3986, 5475)]