21584538

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 48597120

約数和(自身を除く): 27012582

約数列:

[1, 2, 3, 6, 9, 18, 43, 79, 86, 129, 158, 237, 258, 353, 387, 474, 706, 711, 774, 1059, 1422, 2118, 3177, 3397, 6354, 6794, 10191, 15179, 20382, 27887, 30358, 30573, 45537, 55774, 61146, 83661, 91074, 136611, 167322, 250983, 273222, 501966, 1199141, 2398282, 3597423, 7194846, 10792269, 21584538]

約数ペア:

[(1, 21584538), (2, 10792269), (3, 7194846), (6, 3597423), (9, 2398282), (18, 1199141), (43, 501966), (79, 273222), (86, 250983), (129, 167322), (158, 136611), (237, 91074), (258, 83661), (353, 61146), (387, 55774), (474, 45537), (706, 30573), (711, 30358), (774, 27887), (1059, 20382), (1422, 15179), (2118, 10191), (3177, 6794), (3397, 6354)]