21038610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 52918272

約数和(自身を除く): 31879662

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 47, 86, 94, 129, 141, 215, 235, 258, 282, 347, 430, 470, 645, 694, 705, 1041, 1290, 1410, 1735, 2021, 2082, 3470, 4042, 5205, 6063, 10105, 10410, 12126, 14921, 16309, 20210, 29842, 30315, 32618, 44763, 48927, 60630, 74605, 81545, 89526, 97854, 149210, 163090, 223815, 244635, 447630, 489270, 701287, 1402574, 2103861, 3506435, 4207722, 7012870, 10519305, 21038610]

約数ペア:

[(1, 21038610), (2, 10519305), (3, 7012870), (5, 4207722), (6, 3506435), (10, 2103861), (15, 1402574), (30, 701287), (43, 489270), (47, 447630), (86, 244635), (94, 223815), (129, 163090), (141, 149210), (215, 97854), (235, 89526), (258, 81545), (282, 74605), (347, 60630), (430, 48927), (470, 44763), (645, 32618), (694, 30315), (705, 29842), (1041, 20210), (1290, 16309), (1410, 14921), (1735, 12126), (2021, 10410), (2082, 10105), (3470, 6063), (4042, 5205)]