21326613

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 36717120

約数和(自身を除く): 15390507

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 109, 121, 147, 231, 327, 363, 539, 763, 847, 1199, 1331, 1617, 2289, 2541, 3597, 3993, 5341, 5929, 8393, 9317, 13189, 16023, 17787, 25179, 27951, 39567, 58751, 65219, 92323, 145079, 176253, 195657, 276969, 435237, 646261, 1015553, 1938783, 3046659, 7108871, 21326613]

約数ペア:

[(1, 21326613), (3, 7108871), (7, 3046659), (11, 1938783), (21, 1015553), (33, 646261), (49, 435237), (77, 276969), (109, 195657), (121, 176253), (147, 145079), (231, 92323), (327, 65219), (363, 58751), (539, 39567), (763, 27951), (847, 25179), (1199, 17787), (1331, 16023), (1617, 13189), (2289, 9317), (2541, 8393), (3597, 5929), (3993, 5341)]