21093250

素因数分解:

$2^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{607}}^1$

素因数の和:763

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 18742910

約数列:

[1, 2, 5, 10, 25, 50, 125, 139, 250, 278, 607, 695, 1214, 1390, 3035, 3475, 6070, 6950, 15175, 17375, 30350, 34750, 75875, 84373, 151750, 168746, 421865, 843730, 2109325, 4218650, 10546625, 21093250]

約数ペア:

[(1, 21093250), (2, 10546625), (5, 4218650), (10, 2109325), (25, 843730), (50, 421865), (125, 168746), (139, 151750), (250, 84373), (278, 75875), (607, 34750), (695, 30350), (1214, 17375), (1390, 15175), (3035, 6950), (3475, 6070)]