21375288

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 63938160

約数和(自身を除く): 42562872

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 137, 197, 198, 264, 274, 394, 396, 411, 548, 591, 788, 792, 822, 1096, 1182, 1233, 1507, 1576, 1644, 1773, 2167, 2364, 2466, 3014, 3288, 3546, 4334, 4521, 4728, 4932, 6028, 6501, 7092, 8668, 9042, 9864, 12056, 13002, 13563, 14184, 17336, 18084, 19503, 26004, 26989, 27126, 36168, 39006, 52008, 53978, 54252, 78012, 80967, 107956, 108504, 156024, 161934, 215912, 242901, 296879, 323868, 485802, 593758, 647736, 890637, 971604, 1187516, 1781274, 1943208, 2375032, 2671911, 3562548, 5343822, 7125096, 10687644, 21375288]

約数ペア:

[(1, 21375288), (2, 10687644), (3, 7125096), (4, 5343822), (6, 3562548), (8, 2671911), (9, 2375032), (11, 1943208), (12, 1781274), (18, 1187516), (22, 971604), (24, 890637), (33, 647736), (36, 593758), (44, 485802), (66, 323868), (72, 296879), (88, 242901), (99, 215912), (132, 161934), (137, 156024), (197, 108504), (198, 107956), (264, 80967), (274, 78012), (394, 54252), (396, 53978), (411, 52008), (548, 39006), (591, 36168), (788, 27126), (792, 26989), (822, 26004), (1096, 19503), (1182, 18084), (1233, 17336), (1507, 14184), (1576, 13563), (1644, 13002), (1773, 12056), (2167, 9864), (2364, 9042), (2466, 8668), (3014, 7092), (3288, 6501), (3546, 6028), (4334, 4932), (4521, 4728)]