21420330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6673}}^1$

素因数の和:6790

約数の個数: 32

約数和(自身を含む): 51897024

約数和(自身を除く): 30476694

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6673, 13346, 20019, 33365, 40038, 66730, 100095, 200190, 714011, 1428022, 2142033, 3570055, 4284066, 7140110, 10710165, 21420330]

約数ペア:

[(1, 21420330), (2, 10710165), (3, 7140110), (5, 4284066), (6, 3570055), (10, 2142033), (15, 1428022), (30, 714011), (107, 200190), (214, 100095), (321, 66730), (535, 40038), (642, 33365), (1070, 20019), (1605, 13346), (3210, 6673)]