21498652

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 26764388

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 251, 266, 322, 437, 502, 532, 644, 874, 931, 1004, 1127, 1748, 1757, 1862, 2254, 3059, 3514, 3724, 4508, 4769, 5773, 6118, 7028, 9538, 11546, 12236, 12299, 19076, 21413, 23092, 24598, 33383, 40411, 42826, 49196, 66766, 80822, 85652, 109687, 133532, 161644, 219374, 233681, 282877, 438748, 467362, 565754, 767809, 934724, 1131508, 1535618, 3071236, 5374663, 10749326, 21498652]

約数ペア:

[(1, 21498652), (2, 10749326), (4, 5374663), (7, 3071236), (14, 1535618), (19, 1131508), (23, 934724), (28, 767809), (38, 565754), (46, 467362), (49, 438748), (76, 282877), (92, 233681), (98, 219374), (133, 161644), (161, 133532), (196, 109687), (251, 85652), (266, 80822), (322, 66766), (437, 49196), (502, 42826), (532, 40411), (644, 33383), (874, 24598), (931, 23092), (1004, 21413), (1127, 19076), (1748, 12299), (1757, 12236), (1862, 11546), (2254, 9538), (3059, 7028), (3514, 6118), (3724, 5773), (4508, 4769)]