21629223

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 41408640

約数和(自身を除く): 19779417

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 59, 63, 69, 77, 99, 161, 177, 207, 231, 253, 413, 483, 529, 531, 649, 693, 759, 1239, 1357, 1449, 1587, 1771, 1947, 2277, 3703, 3717, 4071, 4543, 4761, 5313, 5819, 5841, 9499, 11109, 12213, 13629, 14927, 15939, 17457, 28497, 31211, 33327, 40733, 40887, 44781, 52371, 85491, 93633, 104489, 122199, 134343, 218477, 280899, 313467, 343321, 366597, 655431, 940401, 1029963, 1966293, 2403247, 3089889, 7209741, 21629223]

約数ペア:

[(1, 21629223), (3, 7209741), (7, 3089889), (9, 2403247), (11, 1966293), (21, 1029963), (23, 940401), (33, 655431), (59, 366597), (63, 343321), (69, 313467), (77, 280899), (99, 218477), (161, 134343), (177, 122199), (207, 104489), (231, 93633), (253, 85491), (413, 52371), (483, 44781), (529, 40887), (531, 40733), (649, 33327), (693, 31211), (759, 28497), (1239, 17457), (1357, 15939), (1449, 14927), (1587, 13629), (1771, 12213), (1947, 11109), (2277, 9499), (3703, 5841), (3717, 5819), (4071, 5313), (4543, 4761)]