21364884

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 60496128

約数和(自身を除く): 39131244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 47, 54, 61, 69, 81, 92, 94, 108, 122, 138, 141, 162, 183, 188, 207, 244, 276, 282, 324, 366, 414, 423, 549, 564, 621, 732, 828, 846, 1081, 1098, 1242, 1269, 1403, 1647, 1692, 1863, 2162, 2196, 2484, 2538, 2806, 2867, 3243, 3294, 3726, 3807, 4209, 4324, 4941, 5076, 5612, 5734, 6486, 6588, 7452, 7614, 8418, 8601, 9729, 9882, 11468, 12627, 12972, 15228, 16836, 17202, 19458, 19764, 25254, 25803, 29187, 34404, 37881, 38916, 50508, 51606, 58374, 65941, 75762, 77409, 87561, 103212, 113643, 116748, 131882, 151524, 154818, 175122, 197823, 227286, 232227, 263764, 309636, 350244, 395646, 454572, 464454, 593469, 791292, 928908, 1186938, 1780407, 2373876, 3560814, 5341221, 7121628, 10682442, 21364884]

約数ペア:

[(1, 21364884), (2, 10682442), (3, 7121628), (4, 5341221), (6, 3560814), (9, 2373876), (12, 1780407), (18, 1186938), (23, 928908), (27, 791292), (36, 593469), (46, 464454), (47, 454572), (54, 395646), (61, 350244), (69, 309636), (81, 263764), (92, 232227), (94, 227286), (108, 197823), (122, 175122), (138, 154818), (141, 151524), (162, 131882), (183, 116748), (188, 113643), (207, 103212), (244, 87561), (276, 77409), (282, 75762), (324, 65941), (366, 58374), (414, 51606), (423, 50508), (549, 38916), (564, 37881), (621, 34404), (732, 29187), (828, 25803), (846, 25254), (1081, 19764), (1098, 19458), (1242, 17202), (1269, 16836), (1403, 15228), (1647, 12972), (1692, 12627), (1863, 11468), (2162, 9882), (2196, 9729), (2484, 8601), (2538, 8418), (2806, 7614), (2867, 7452), (3243, 6588), (3294, 6486), (3726, 5734), (3807, 5612), (4209, 5076), (4324, 4941)]