21635432

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 28925848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 113, 182, 226, 263, 364, 452, 526, 728, 791, 904, 1052, 1469, 1582, 1841, 2104, 2938, 3164, 3419, 3682, 5876, 6328, 6838, 7364, 10283, 11752, 13676, 14728, 20566, 23933, 27352, 29719, 41132, 47866, 59438, 82264, 95732, 118876, 191464, 208033, 237752, 386347, 416066, 772694, 832132, 1545388, 1664264, 2704429, 3090776, 5408858, 10817716, 21635432]

約数ペア:

[(1, 21635432), (2, 10817716), (4, 5408858), (7, 3090776), (8, 2704429), (13, 1664264), (14, 1545388), (26, 832132), (28, 772694), (52, 416066), (56, 386347), (91, 237752), (104, 208033), (113, 191464), (182, 118876), (226, 95732), (263, 82264), (364, 59438), (452, 47866), (526, 41132), (728, 29719), (791, 27352), (904, 23933), (1052, 20566), (1469, 14728), (1582, 13676), (1841, 11752), (2104, 10283), (2938, 7364), (3164, 6838), (3419, 6328), (3682, 5876)]