21285342

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1156

約数の個数: 56

約数和(自身を含む): 51598344

約数和(自身を除く): 30313002

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1123, 1458, 2106, 2246, 3159, 3369, 6318, 6738, 9477, 10107, 14599, 18954, 20214, 29198, 30321, 43797, 60642, 87594, 90963, 131391, 181926, 262782, 272889, 394173, 545778, 788346, 818667, 1182519, 1637334, 2365038, 3547557, 7095114, 10642671, 21285342]

約数ペア:

[(1, 21285342), (2, 10642671), (3, 7095114), (6, 3547557), (9, 2365038), (13, 1637334), (18, 1182519), (26, 818667), (27, 788346), (39, 545778), (54, 394173), (78, 272889), (81, 262782), (117, 181926), (162, 131391), (234, 90963), (243, 87594), (351, 60642), (486, 43797), (702, 30321), (729, 29198), (1053, 20214), (1123, 18954), (1458, 14599), (2106, 10107), (2246, 9477), (3159, 6738), (3369, 6318)]