21585684

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 52956288

約数和(自身を除く): 31370604

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 197, 276, 394, 397, 591, 788, 794, 1182, 1191, 1588, 2364, 2382, 4531, 4764, 9062, 9131, 13593, 18124, 18262, 27186, 27393, 36524, 54372, 54786, 78209, 109572, 156418, 234627, 312836, 469254, 938508, 1798807, 3597614, 5396421, 7195228, 10792842, 21585684]

約数ペア:

[(1, 21585684), (2, 10792842), (3, 7195228), (4, 5396421), (6, 3597614), (12, 1798807), (23, 938508), (46, 469254), (69, 312836), (92, 234627), (138, 156418), (197, 109572), (276, 78209), (394, 54786), (397, 54372), (591, 36524), (788, 27393), (794, 27186), (1182, 18262), (1191, 18124), (1588, 13593), (2364, 9131), (2382, 9062), (4531, 4764)]