21584494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 14219666

約数列:

[1, 2, 19, 31, 38, 62, 73, 146, 251, 502, 589, 1178, 1387, 2263, 2774, 4526, 4769, 7781, 9538, 15562, 18323, 36646, 42997, 85994, 147839, 295678, 348137, 568013, 696274, 1136026, 10792247, 21584494]

約数ペア:

[(1, 21584494), (2, 10792247), (19, 1136026), (31, 696274), (38, 568013), (62, 348137), (73, 295678), (146, 147839), (251, 85994), (502, 42997), (589, 36646), (1178, 18323), (1387, 15562), (2263, 9538), (2774, 7781), (4526, 4769)]