21580494824

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1\times {\mathrm{31181}}^1$

素因数の和:31938

約数の個数: 64

約数和(自身を含む): 49033071360

約数和(自身を除く): 27452576536

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 727, 952, 1454, 2908, 5089, 5816, 10178, 12359, 20356, 24718, 31181, 40712, 49436, 62362, 86513, 98872, 124724, 173026, 218267, 249448, 346052, 436534, 530077, 692104, 873068, 1060154, 1746136, 2120308, 3710539, 4240616, 7421078, 14842156, 22668587, 29684312, 45337174, 90674348, 158680109, 181348696, 317360218, 385365979, 634720436, 770731958, 1269440872, 1541463916, 2697561853, 3082927832, 5395123706, 10790247412, 21580494824]

約数ペア:

[(1, 21580494824), (2, 10790247412), (4, 5395123706), (7, 3082927832), (8, 2697561853), (14, 1541463916), (17, 1269440872), (28, 770731958), (34, 634720436), (56, 385365979), (68, 317360218), (119, 181348696), (136, 158680109), (238, 90674348), (476, 45337174), (727, 29684312), (952, 22668587), (1454, 14842156), (2908, 7421078), (5089, 4240616), (5816, 3710539), (10178, 2120308), (12359, 1746136), (20356, 1060154), (24718, 873068), (31181, 692104), (40712, 530077), (49436, 436534), (62362, 346052), (86513, 249448), (98872, 218267), (124724, 173026)]