21299746

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 37353960

約数和(自身を除く): 16054214

約数列:

[1, 2, 13, 26, 29, 41, 53, 58, 82, 106, 169, 338, 377, 533, 689, 754, 1066, 1189, 1378, 1537, 2173, 2378, 3074, 4346, 4901, 6929, 8957, 9802, 13858, 15457, 17914, 19981, 28249, 30914, 39962, 56498, 63017, 126034, 200941, 259753, 367237, 401882, 519506, 734474, 819221, 1638442, 10649873, 21299746]

約数ペア:

[(1, 21299746), (2, 10649873), (13, 1638442), (26, 819221), (29, 734474), (41, 519506), (53, 401882), (58, 367237), (82, 259753), (106, 200941), (169, 126034), (338, 63017), (377, 56498), (533, 39962), (689, 30914), (754, 28249), (1066, 19981), (1189, 17914), (1378, 15457), (1537, 13858), (2173, 9802), (2378, 8957), (3074, 6929), (4346, 4901)]