21815052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7019}}^1$

素因数の和:7070

約数の個数: 48

約数和(自身を含む): 59754240

約数和(自身を除く): 37939188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 7019, 14038, 21057, 28076, 42114, 49133, 84228, 98266, 147399, 196532, 259703, 294798, 519406, 589596, 779109, 1038812, 1558218, 1817921, 3116436, 3635842, 5453763, 7271684, 10907526, 21815052]

約数ペア:

[(1, 21815052), (2, 10907526), (3, 7271684), (4, 5453763), (6, 3635842), (7, 3116436), (12, 1817921), (14, 1558218), (21, 1038812), (28, 779109), (37, 589596), (42, 519406), (74, 294798), (84, 259703), (111, 196532), (148, 147399), (222, 98266), (259, 84228), (444, 49133), (518, 42114), (777, 28076), (1036, 21057), (1554, 14038), (3108, 7019)]