21447521032

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^2\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:843

約数の個数: 96

約数和(自身を含む): 47058580800

約数和(自身を除く): 25611059768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 109, 158, 218, 316, 436, 553, 563, 632, 763, 872, 1106, 1126, 1526, 2212, 2252, 3052, 3941, 4424, 4504, 6104, 6241, 7882, 8611, 12482, 15764, 17222, 24964, 31528, 34444, 43687, 44477, 49928, 60277, 61367, 68888, 87374, 88954, 120554, 122734, 174748, 177908, 241108, 245468, 311339, 349496, 355816, 429569, 482216, 490936, 622678, 680269, 859138, 1245356, 1360538, 1718276, 2490712, 2721076, 3436552, 3513683, 4761883, 4847993, 5442152, 7027366, 9523766, 9695986, 14054732, 19047532, 19391972, 24595781, 28109464, 33935951, 38095064, 38783944, 49191562, 67871902, 98383124, 135743804, 196766248, 271487608, 382991447, 765982894, 1531965788, 2680940129, 3063931576, 5361880258, 10723760516, 21447521032]

約数ペア:

[(1, 21447521032), (2, 10723760516), (4, 5361880258), (7, 3063931576), (8, 2680940129), (14, 1531965788), (28, 765982894), (56, 382991447), (79, 271487608), (109, 196766248), (158, 135743804), (218, 98383124), (316, 67871902), (436, 49191562), (553, 38783944), (563, 38095064), (632, 33935951), (763, 28109464), (872, 24595781), (1106, 19391972), (1126, 19047532), (1526, 14054732), (2212, 9695986), (2252, 9523766), (3052, 7027366), (3941, 5442152), (4424, 4847993), (4504, 4761883), (6104, 3513683), (6241, 3436552), (7882, 2721076), (8611, 2490712), (12482, 1718276), (15764, 1360538), (17222, 1245356), (24964, 859138), (31528, 680269), (34444, 622678), (43687, 490936), (44477, 482216), (49928, 429569), (60277, 355816), (61367, 349496), (68888, 311339), (87374, 245468), (88954, 241108), (120554, 177908), (122734, 174748)]