21016908

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{5897}}^1$

素因数の和:5924

約数の個数: 60

約数和(自身を含む): 59947272

約数和(自身を除く): 38930364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 297, 324, 396, 594, 891, 1188, 1782, 3564, 5897, 11794, 17691, 23588, 35382, 53073, 64867, 70764, 106146, 129734, 159219, 194601, 212292, 259468, 318438, 389202, 477657, 583803, 636876, 778404, 955314, 1167606, 1751409, 1910628, 2335212, 3502818, 5254227, 7005636, 10508454, 21016908]

約数ペア:

[(1, 21016908), (2, 10508454), (3, 7005636), (4, 5254227), (6, 3502818), (9, 2335212), (11, 1910628), (12, 1751409), (18, 1167606), (22, 955314), (27, 778404), (33, 636876), (36, 583803), (44, 477657), (54, 389202), (66, 318438), (81, 259468), (99, 212292), (108, 194601), (132, 159219), (162, 129734), (198, 106146), (297, 70764), (324, 64867), (396, 53073), (594, 35382), (891, 23588), (1188, 17691), (1782, 11794), (3564, 5897)]