21529854

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30310146

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 47, 51, 54, 94, 102, 141, 153, 282, 306, 423, 459, 499, 799, 846, 918, 998, 1269, 1497, 1598, 2397, 2538, 2994, 4491, 4794, 7191, 8483, 8982, 13473, 14382, 16966, 21573, 23453, 25449, 26946, 43146, 46906, 50898, 70359, 76347, 140718, 152694, 211077, 229041, 398701, 422154, 458082, 633231, 797402, 1196103, 1266462, 2392206, 3588309, 7176618, 10764927, 21529854]

約数ペア:

[(1, 21529854), (2, 10764927), (3, 7176618), (6, 3588309), (9, 2392206), (17, 1266462), (18, 1196103), (27, 797402), (34, 633231), (47, 458082), (51, 422154), (54, 398701), (94, 229041), (102, 211077), (141, 152694), (153, 140718), (282, 76347), (306, 70359), (423, 50898), (459, 46906), (499, 43146), (799, 26946), (846, 25449), (918, 23453), (998, 21573), (1269, 16966), (1497, 14382), (1598, 13473), (2397, 8982), (2538, 8483), (2994, 7191), (4491, 4794)]