21129402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{293}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 51819264

約数和(自身を除く): 30689862

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 101, 102, 119, 202, 238, 293, 303, 357, 586, 606, 707, 714, 879, 1414, 1717, 1758, 2051, 2121, 3434, 4102, 4242, 4981, 5151, 6153, 9962, 10302, 12019, 12306, 14943, 24038, 29593, 29886, 34867, 36057, 59186, 69734, 72114, 88779, 104601, 177558, 207151, 209202, 414302, 503081, 621453, 1006162, 1242906, 1509243, 3018486, 3521567, 7043134, 10564701, 21129402]

約数ペア:

[(1, 21129402), (2, 10564701), (3, 7043134), (6, 3521567), (7, 3018486), (14, 1509243), (17, 1242906), (21, 1006162), (34, 621453), (42, 503081), (51, 414302), (101, 209202), (102, 207151), (119, 177558), (202, 104601), (238, 88779), (293, 72114), (303, 69734), (357, 59186), (586, 36057), (606, 34867), (707, 29886), (714, 29593), (879, 24038), (1414, 14943), (1717, 12306), (1758, 12019), (2051, 10302), (2121, 9962), (3434, 6153), (4102, 5151), (4242, 4981)]