21877716

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1283}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 61477920

約数和(自身を除く): 39600204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 174, 196, 203, 294, 348, 406, 588, 609, 812, 1218, 1283, 1421, 2436, 2566, 2842, 3849, 4263, 5132, 5684, 7698, 8526, 8981, 15396, 17052, 17962, 26943, 35924, 37207, 53886, 62867, 74414, 107772, 111621, 125734, 148828, 188601, 223242, 251468, 260449, 377202, 446484, 520898, 754404, 781347, 1041796, 1562694, 1823143, 3125388, 3646286, 5469429, 7292572, 10938858, 21877716]

約数ペア:

[(1, 21877716), (2, 10938858), (3, 7292572), (4, 5469429), (6, 3646286), (7, 3125388), (12, 1823143), (14, 1562694), (21, 1041796), (28, 781347), (29, 754404), (42, 520898), (49, 446484), (58, 377202), (84, 260449), (87, 251468), (98, 223242), (116, 188601), (147, 148828), (174, 125734), (196, 111621), (203, 107772), (294, 74414), (348, 62867), (406, 53886), (588, 37207), (609, 35924), (812, 26943), (1218, 17962), (1283, 17052), (1421, 15396), (2436, 8981), (2566, 8526), (2842, 7698), (3849, 5684), (4263, 5132)]