21197610

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33647}}^1$

素因数の和:33667

約数の個数: 48

約数和(自身を含む): 62989056

約数和(自身を除く): 41791446

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33647, 67294, 100941, 168235, 201882, 235529, 302823, 336470, 471058, 504705, 605646, 706587, 1009410, 1177645, 1413174, 1514115, 2119761, 2355290, 3028230, 3532935, 4239522, 7065870, 10598805, 21197610]

約数ペア:

[(1, 21197610), (2, 10598805), (3, 7065870), (5, 4239522), (6, 3532935), (7, 3028230), (9, 2355290), (10, 2119761), (14, 1514115), (15, 1413174), (18, 1177645), (21, 1009410), (30, 706587), (35, 605646), (42, 504705), (45, 471058), (63, 336470), (70, 302823), (90, 235529), (105, 201882), (126, 168235), (210, 100941), (315, 67294), (630, 33647)]