21759626

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 41405256

約数和(自身を除く): 19645630

約数列:

[1, 2, 7, 14, 17, 34, 37, 49, 74, 98, 119, 238, 259, 353, 518, 629, 706, 833, 1258, 1666, 1813, 2471, 3626, 4403, 4942, 6001, 8806, 12002, 13061, 17297, 26122, 30821, 34594, 42007, 61642, 84014, 91427, 182854, 222037, 294049, 444074, 588098, 639989, 1279978, 1554259, 3108518, 10879813, 21759626]

約数ペア:

[(1, 21759626), (2, 10879813), (7, 3108518), (14, 1554259), (17, 1279978), (34, 639989), (37, 588098), (49, 444074), (74, 294049), (98, 222037), (119, 182854), (238, 91427), (259, 84014), (353, 61642), (518, 42007), (629, 34594), (706, 30821), (833, 26122), (1258, 17297), (1666, 13061), (1813, 12002), (2471, 8806), (3626, 6001), (4403, 4942)]