21032047870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{3137}}^1$

素因数の和:3613

約数の個数: 64

約数和(自身を含む): 39922891200

約数和(自身を除く): 18890843330

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 379, 610, 758, 1769, 1895, 3137, 3538, 3790, 6274, 8845, 10991, 15685, 17690, 21982, 23119, 31370, 46238, 54955, 90973, 109910, 115595, 181946, 191357, 231190, 382714, 454865, 670451, 909730, 956785, 1188923, 1340902, 1913570, 2377846, 3352255, 5549353, 5944615, 6704510, 11098706, 11889230, 27746765, 34478767, 55493530, 68957534, 72524303, 145048606, 172393835, 344787670, 362621515, 725243030, 2103204787, 4206409574, 10516023935, 21032047870]

約数ペア:

[(1, 21032047870), (2, 10516023935), (5, 4206409574), (10, 2103204787), (29, 725243030), (58, 362621515), (61, 344787670), (122, 172393835), (145, 145048606), (290, 72524303), (305, 68957534), (379, 55493530), (610, 34478767), (758, 27746765), (1769, 11889230), (1895, 11098706), (3137, 6704510), (3538, 5944615), (3790, 5549353), (6274, 3352255), (8845, 2377846), (10991, 1913570), (15685, 1340902), (17690, 1188923), (21982, 956785), (23119, 909730), (31370, 670451), (46238, 454865), (54955, 382714), (90973, 231190), (109910, 191357), (115595, 181946)]