21968712

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 44127288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 53, 54, 57, 72, 76, 101, 106, 108, 114, 152, 159, 171, 202, 212, 216, 228, 303, 318, 342, 404, 424, 456, 477, 513, 606, 636, 684, 808, 909, 954, 1007, 1026, 1212, 1272, 1368, 1431, 1818, 1908, 1919, 2014, 2052, 2424, 2727, 2862, 3021, 3636, 3816, 3838, 4028, 4104, 5353, 5454, 5724, 5757, 6042, 7272, 7676, 8056, 9063, 10706, 10908, 11448, 11514, 12084, 15352, 16059, 17271, 18126, 21412, 21816, 23028, 24168, 27189, 32118, 34542, 36252, 42824, 46056, 48177, 51813, 54378, 64236, 69084, 72504, 96354, 101707, 103626, 108756, 128472, 138168, 144531, 192708, 203414, 207252, 217512, 289062, 305121, 385416, 406828, 414504, 578124, 610242, 813656, 915363, 1156248, 1220484, 1830726, 2440968, 2746089, 3661452, 5492178, 7322904, 10984356, 21968712]

約数ペア:

[(1, 21968712), (2, 10984356), (3, 7322904), (4, 5492178), (6, 3661452), (8, 2746089), (9, 2440968), (12, 1830726), (18, 1220484), (19, 1156248), (24, 915363), (27, 813656), (36, 610242), (38, 578124), (53, 414504), (54, 406828), (57, 385416), (72, 305121), (76, 289062), (101, 217512), (106, 207252), (108, 203414), (114, 192708), (152, 144531), (159, 138168), (171, 128472), (202, 108756), (212, 103626), (216, 101707), (228, 96354), (303, 72504), (318, 69084), (342, 64236), (404, 54378), (424, 51813), (456, 48177), (477, 46056), (513, 42824), (606, 36252), (636, 34542), (684, 32118), (808, 27189), (909, 24168), (954, 23028), (1007, 21816), (1026, 21412), (1212, 18126), (1272, 17271), (1368, 16059), (1431, 15352), (1818, 12084), (1908, 11514), (1919, 11448), (2014, 10908), (2052, 10706), (2424, 9063), (2727, 8056), (2862, 7676), (3021, 7272), (3636, 6042), (3816, 5757), (3838, 5724), (4028, 5454), (4104, 5353)]