21307026

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1579}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 46186560

約数和(自身を除く): 24879534

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1579, 2249, 3158, 4498, 4737, 6747, 9474, 13494, 20527, 41054, 61581, 123162, 273167, 546334, 819501, 1639002, 3551171, 7102342, 10653513, 21307026]

約数ペア:

[(1, 21307026), (2, 10653513), (3, 7102342), (6, 3551171), (13, 1639002), (26, 819501), (39, 546334), (78, 273167), (173, 123162), (346, 61581), (519, 41054), (1038, 20527), (1579, 13494), (2249, 9474), (3158, 6747), (4498, 4737)]