21497056

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5051}}^1$

素因数の和:5087

約数の個数: 48

約数和(自身を含む): 50924160

約数和(自身を除く): 29427104

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 5051, 10102, 20204, 35357, 40408, 70714, 80816, 95969, 141428, 161632, 191938, 282856, 383876, 565712, 671783, 767752, 1131424, 1343566, 1535504, 2687132, 3071008, 5374264, 10748528, 21497056]

約数ペア:

[(1, 21497056), (2, 10748528), (4, 5374264), (7, 3071008), (8, 2687132), (14, 1535504), (16, 1343566), (19, 1131424), (28, 767752), (32, 671783), (38, 565712), (56, 383876), (76, 282856), (112, 191938), (133, 161632), (152, 141428), (224, 95969), (266, 80816), (304, 70714), (532, 40408), (608, 35357), (1064, 20204), (2128, 10102), (4256, 5051)]