21006126

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 26050338

約数列:

[1, 2, 3, 6, 9, 18, 53, 97, 106, 159, 194, 227, 291, 318, 454, 477, 582, 681, 873, 954, 1362, 1746, 2043, 4086, 5141, 10282, 12031, 15423, 22019, 24062, 30846, 36093, 44038, 46269, 66057, 72186, 92538, 108279, 132114, 198171, 216558, 396342, 1167007, 2334014, 3501021, 7002042, 10503063, 21006126]

約数ペア:

[(1, 21006126), (2, 10503063), (3, 7002042), (6, 3501021), (9, 2334014), (18, 1167007), (53, 396342), (97, 216558), (106, 198171), (159, 132114), (194, 108279), (227, 92538), (291, 72186), (318, 66057), (454, 46269), (477, 44038), (582, 36093), (681, 30846), (873, 24062), (954, 22019), (1362, 15423), (1746, 12031), (2043, 10282), (4086, 5141)]