21438564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15013}}^1$

素因数の和:15044

約数の個数: 48

約数和(自身を含む): 60536448

約数和(自身を除く): 39097884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15013, 30026, 45039, 60052, 90078, 105091, 180156, 210182, 255221, 315273, 420364, 510442, 630546, 765663, 1020884, 1261092, 1531326, 1786547, 3062652, 3573094, 5359641, 7146188, 10719282, 21438564]

約数ペア:

[(1, 21438564), (2, 10719282), (3, 7146188), (4, 5359641), (6, 3573094), (7, 3062652), (12, 1786547), (14, 1531326), (17, 1261092), (21, 1020884), (28, 765663), (34, 630546), (42, 510442), (51, 420364), (68, 315273), (84, 255221), (102, 210182), (119, 180156), (204, 105091), (238, 90078), (357, 60052), (476, 45039), (714, 30026), (1428, 15013)]