21568842

素因数分解:

$2^1\times 3^4\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:856

約数の個数: 40

約数和(自身を含む): 48636192

約数和(自身を除く): 27067350

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 211, 422, 631, 633, 1262, 1266, 1893, 1899, 3786, 3798, 5679, 5697, 11358, 11394, 17037, 17091, 34074, 34182, 51111, 102222, 133141, 266282, 399423, 798846, 1198269, 2396538, 3594807, 7189614, 10784421, 21568842]

約数ペア:

[(1, 21568842), (2, 10784421), (3, 7189614), (6, 3594807), (9, 2396538), (18, 1198269), (27, 798846), (54, 399423), (81, 266282), (162, 133141), (211, 102222), (422, 51111), (631, 34182), (633, 34074), (1262, 17091), (1266, 17037), (1893, 11394), (1899, 11358), (3786, 5697), (3798, 5679)]