21817662

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 49144320

約数和(自身を除く): 27326658

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 53, 57, 69, 106, 114, 138, 157, 159, 314, 318, 437, 471, 874, 942, 1007, 1219, 1311, 2014, 2438, 2622, 2983, 3021, 3611, 3657, 5966, 6042, 7222, 7314, 8321, 8949, 10833, 16642, 17898, 21666, 23161, 24963, 46322, 49926, 68609, 69483, 137218, 138966, 158099, 191383, 205827, 316198, 382766, 411654, 474297, 574149, 948594, 1148298, 3636277, 7272554, 10908831, 21817662]

約数ペア:

[(1, 21817662), (2, 10908831), (3, 7272554), (6, 3636277), (19, 1148298), (23, 948594), (38, 574149), (46, 474297), (53, 411654), (57, 382766), (69, 316198), (106, 205827), (114, 191383), (138, 158099), (157, 138966), (159, 137218), (314, 69483), (318, 68609), (437, 49926), (471, 46322), (874, 24963), (942, 23161), (1007, 21666), (1219, 17898), (1311, 16642), (2014, 10833), (2438, 8949), (2622, 8321), (2983, 7314), (3021, 7222), (3611, 6042), (3657, 5966)]