21710835

素因数分解:

$3^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 39626496

約数和(自身を除く): 17915661

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 167, 243, 321, 405, 501, 535, 835, 963, 1215, 1503, 1605, 2505, 2889, 4509, 4815, 7515, 8667, 13527, 14445, 17869, 22545, 26001, 40581, 43335, 53607, 67635, 89345, 130005, 160821, 202905, 268035, 482463, 804105, 1447389, 2412315, 4342167, 7236945, 21710835]

約数ペア:

[(1, 21710835), (3, 7236945), (5, 4342167), (9, 2412315), (15, 1447389), (27, 804105), (45, 482463), (81, 268035), (107, 202905), (135, 160821), (167, 130005), (243, 89345), (321, 67635), (405, 53607), (501, 43335), (535, 40581), (835, 26001), (963, 22545), (1215, 17869), (1503, 14445), (1605, 13527), (2505, 8667), (2889, 7515), (4509, 4815)]