21629752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{269}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 44793000

約数和(自身を除く): 23163248

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 269, 437, 529, 538, 874, 1058, 1076, 1748, 2116, 2152, 3496, 4232, 5111, 6187, 10051, 10222, 12374, 20102, 20444, 24748, 40204, 40888, 49496, 80408, 117553, 142301, 235106, 284602, 470212, 569204, 940424, 1138408, 2703719, 5407438, 10814876, 21629752]

約数ペア:

[(1, 21629752), (2, 10814876), (4, 5407438), (8, 2703719), (19, 1138408), (23, 940424), (38, 569204), (46, 470212), (76, 284602), (92, 235106), (152, 142301), (184, 117553), (269, 80408), (437, 49496), (529, 40888), (538, 40204), (874, 24748), (1058, 20444), (1076, 20102), (1748, 12374), (2116, 10222), (2152, 10051), (3496, 6187), (4232, 5111)]