21223854

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1681

約数の個数: 48

約数和(自身を含む): 49853232

約数和(自身を除く): 28629378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1462, 1613, 2193, 3226, 4386, 4839, 6579, 9678, 13158, 14517, 27421, 29034, 54842, 69359, 82263, 138718, 164526, 208077, 246789, 416154, 493578, 624231, 1179103, 1248462, 2358206, 3537309, 7074618, 10611927, 21223854]

約数ペア:

[(1, 21223854), (2, 10611927), (3, 7074618), (6, 3537309), (9, 2358206), (17, 1248462), (18, 1179103), (34, 624231), (43, 493578), (51, 416154), (86, 246789), (102, 208077), (129, 164526), (153, 138718), (258, 82263), (306, 69359), (387, 54842), (731, 29034), (774, 27421), (1462, 14517), (1613, 13158), (2193, 9678), (3226, 6579), (4386, 4839)]