21208350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8317}}^1$

素因数の和:8349

約数の個数: 48

約数和(自身を含む): 55697328

約数和(自身を除く): 34488978

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8317, 16634, 24951, 41585, 49902, 83170, 124755, 141389, 207925, 249510, 282778, 415850, 424167, 623775, 706945, 848334, 1247550, 1413890, 2120835, 3534725, 4241670, 7069450, 10604175, 21208350]

約数ペア:

[(1, 21208350), (2, 10604175), (3, 7069450), (5, 4241670), (6, 3534725), (10, 2120835), (15, 1413890), (17, 1247550), (25, 848334), (30, 706945), (34, 623775), (50, 424167), (51, 415850), (75, 282778), (85, 249510), (102, 207925), (150, 141389), (170, 124755), (255, 83170), (425, 49902), (510, 41585), (850, 24951), (1275, 16634), (2550, 8317)]