21755801448

素因数分解:

$2^3\times 3^3\times {\mathrm{421}}^1\times {\mathrm{239243}}^1$

素因数の和:239679

約数の個数: 64

約数和(自身を含む): 60576580800

約数和(自身を除く): 38820779352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 421, 842, 1263, 1684, 2526, 3368, 3789, 5052, 7578, 10104, 11367, 15156, 22734, 30312, 45468, 90936, 239243, 478486, 717729, 956972, 1435458, 1913944, 2153187, 2870916, 4306374, 5741832, 6459561, 8612748, 12919122, 17225496, 25838244, 51676488, 100721303, 201442606, 302163909, 402885212, 604327818, 805770424, 906491727, 1208655636, 1812983454, 2417311272, 2719475181, 3625966908, 5438950362, 7251933816, 10877900724, 21755801448]

約数ペア:

[(1, 21755801448), (2, 10877900724), (3, 7251933816), (4, 5438950362), (6, 3625966908), (8, 2719475181), (9, 2417311272), (12, 1812983454), (18, 1208655636), (24, 906491727), (27, 805770424), (36, 604327818), (54, 402885212), (72, 302163909), (108, 201442606), (216, 100721303), (421, 51676488), (842, 25838244), (1263, 17225496), (1684, 12919122), (2526, 8612748), (3368, 6459561), (3789, 5741832), (5052, 4306374), (7578, 2870916), (10104, 2153187), (11367, 1913944), (15156, 1435458), (22734, 956972), (30312, 717729), (45468, 478486), (90936, 239243)]