21531468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1871}}^1$

素因数の和:2022

約数の個数: 48

約数和(自身を含む): 57867264

約数和(自身を除く): 36335796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1644, 1871, 1918, 2877, 3742, 3836, 5613, 5754, 7484, 11226, 11508, 13097, 22452, 26194, 39291, 52388, 78582, 157164, 256327, 512654, 768981, 1025308, 1537962, 1794289, 3075924, 3588578, 5382867, 7177156, 10765734, 21531468]

約数ペア:

[(1, 21531468), (2, 10765734), (3, 7177156), (4, 5382867), (6, 3588578), (7, 3075924), (12, 1794289), (14, 1537962), (21, 1025308), (28, 768981), (42, 512654), (84, 256327), (137, 157164), (274, 78582), (411, 52388), (548, 39291), (822, 26194), (959, 22452), (1644, 13097), (1871, 11508), (1918, 11226), (2877, 7484), (3742, 5754), (3836, 5613)]