21439242

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 80

約数和(自身を含む): 53631072

約数和(自身を除く): 32191830

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 53, 54, 66, 81, 99, 106, 159, 162, 198, 227, 297, 318, 454, 477, 583, 594, 681, 891, 954, 1166, 1362, 1431, 1749, 1782, 2043, 2497, 2862, 3498, 4086, 4293, 4994, 5247, 6129, 7491, 8586, 10494, 12031, 12258, 14982, 15741, 18387, 22473, 24062, 31482, 36093, 36774, 44946, 47223, 67419, 72186, 94446, 108279, 132341, 134838, 202257, 216558, 264682, 324837, 397023, 404514, 649674, 794046, 974511, 1191069, 1949022, 2382138, 3573207, 7146414, 10719621, 21439242]

約数ペア:

[(1, 21439242), (2, 10719621), (3, 7146414), (6, 3573207), (9, 2382138), (11, 1949022), (18, 1191069), (22, 974511), (27, 794046), (33, 649674), (53, 404514), (54, 397023), (66, 324837), (81, 264682), (99, 216558), (106, 202257), (159, 134838), (162, 132341), (198, 108279), (227, 94446), (297, 72186), (318, 67419), (454, 47223), (477, 44946), (583, 36774), (594, 36093), (681, 31482), (891, 24062), (954, 22473), (1166, 18387), (1362, 15741), (1431, 14982), (1749, 12258), (1782, 12031), (2043, 10494), (2497, 8586), (2862, 7491), (3498, 6129), (4086, 5247), (4293, 4994)]