21657228

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 51819264

約数和(自身を除く): 30162036

約数列:

[1, 2, 3, 4, 6, 12, 101, 107, 167, 202, 214, 303, 321, 334, 404, 428, 501, 606, 642, 668, 1002, 1212, 1284, 2004, 10807, 16867, 17869, 21614, 32421, 33734, 35738, 43228, 50601, 53607, 64842, 67468, 71476, 101202, 107214, 129684, 202404, 214428, 1804769, 3609538, 5414307, 7219076, 10828614, 21657228]

約数ペア:

[(1, 21657228), (2, 10828614), (3, 7219076), (4, 5414307), (6, 3609538), (12, 1804769), (101, 214428), (107, 202404), (167, 129684), (202, 107214), (214, 101202), (303, 71476), (321, 67468), (334, 64842), (404, 53607), (428, 50601), (501, 43228), (606, 35738), (642, 33734), (668, 32421), (1002, 21614), (1212, 17869), (1284, 16867), (2004, 10807)]