21712383

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 22317057

約数列:

[1, 3, 7, 9, 11, 17, 19, 21, 33, 51, 57, 63, 77, 97, 99, 119, 133, 153, 171, 187, 209, 231, 291, 323, 357, 399, 561, 627, 679, 693, 873, 969, 1067, 1071, 1197, 1309, 1463, 1649, 1683, 1843, 1881, 2037, 2261, 2907, 3201, 3553, 3927, 4389, 4947, 5529, 6111, 6783, 7469, 9603, 10659, 11543, 11781, 12901, 13167, 14841, 16587, 18139, 20273, 20349, 22407, 24871, 31331, 31977, 34629, 38703, 54417, 60819, 67221, 74613, 93993, 103887, 116109, 126973, 141911, 163251, 182457, 219317, 223839, 281979, 344641, 380919, 425733, 657951, 1033923, 1142757, 1277199, 1973853, 2412487, 3101769, 7237461, 21712383]

約数ペア:

[(1, 21712383), (3, 7237461), (7, 3101769), (9, 2412487), (11, 1973853), (17, 1277199), (19, 1142757), (21, 1033923), (33, 657951), (51, 425733), (57, 380919), (63, 344641), (77, 281979), (97, 223839), (99, 219317), (119, 182457), (133, 163251), (153, 141911), (171, 126973), (187, 116109), (209, 103887), (231, 93993), (291, 74613), (323, 67221), (357, 60819), (399, 54417), (561, 38703), (627, 34629), (679, 31977), (693, 31331), (873, 24871), (969, 22407), (1067, 20349), (1071, 20273), (1197, 18139), (1309, 16587), (1463, 14841), (1649, 13167), (1683, 12901), (1843, 11781), (1881, 11543), (2037, 10659), (2261, 9603), (2907, 7469), (3201, 6783), (3553, 6111), (3927, 5529), (4389, 4947)]