21653436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6967}}^1$

素因数の和:7018

約数の個数: 48

約数和(自身を含む): 59311616

約数和(自身を除く): 37658180

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, 6967, 13934, 20901, 27868, 41802, 48769, 83604, 97538, 146307, 195076, 257779, 292614, 515558, 585228, 773337, 1031116, 1546674, 1804453, 3093348, 3608906, 5413359, 7217812, 10826718, 21653436]

約数ペア:

[(1, 21653436), (2, 10826718), (3, 7217812), (4, 5413359), (6, 3608906), (7, 3093348), (12, 1804453), (14, 1546674), (21, 1031116), (28, 773337), (37, 585228), (42, 515558), (74, 292614), (84, 257779), (111, 195076), (148, 146307), (222, 97538), (259, 83604), (444, 48769), (518, 41802), (777, 27868), (1036, 20901), (1554, 13934), (3108, 6967)]