21120642

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{13487}}^1$

素因数の和:13527

約数の個数: 32

約数和(自身を含む): 48556800

約数和(自身を除く): 27436158

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 261, 522, 783, 1566, 13487, 26974, 40461, 80922, 121383, 242766, 364149, 391123, 728298, 782246, 1173369, 2346738, 3520107, 7040214, 10560321, 21120642]

約数ペア:

[(1, 21120642), (2, 10560321), (3, 7040214), (6, 3520107), (9, 2346738), (18, 1173369), (27, 782246), (29, 728298), (54, 391123), (58, 364149), (87, 242766), (174, 121383), (261, 80922), (522, 40461), (783, 26974), (1566, 13487)]