21985074

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 29422926

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 101, 139, 174, 202, 261, 278, 303, 417, 522, 606, 783, 834, 909, 1251, 1566, 1818, 2502, 2727, 2929, 3753, 4031, 5454, 5858, 7506, 8062, 8787, 12093, 14039, 17574, 24186, 26361, 28078, 36279, 42117, 52722, 72558, 79083, 84234, 108837, 126351, 158166, 217674, 252702, 379053, 407131, 758106, 814262, 1221393, 2442786, 3664179, 7328358, 10992537, 21985074]

約数ペア:

[(1, 21985074), (2, 10992537), (3, 7328358), (6, 3664179), (9, 2442786), (18, 1221393), (27, 814262), (29, 758106), (54, 407131), (58, 379053), (87, 252702), (101, 217674), (139, 158166), (174, 126351), (202, 108837), (261, 84234), (278, 79083), (303, 72558), (417, 52722), (522, 42117), (606, 36279), (783, 28078), (834, 26361), (909, 24186), (1251, 17574), (1566, 14039), (1818, 12093), (2502, 8787), (2727, 8062), (2929, 7506), (3753, 5858), (4031, 5454)]