21091950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4261}}^1$

素因数の和:4290

約数の個数: 72

約数和(自身を含む): 61833096

約数和(自身を除く): 40741146

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 150, 165, 198, 225, 275, 330, 450, 495, 550, 825, 990, 1650, 2475, 4261, 4950, 8522, 12783, 21305, 25566, 38349, 42610, 46871, 63915, 76698, 93742, 106525, 127830, 140613, 191745, 213050, 234355, 281226, 319575, 383490, 421839, 468710, 639150, 703065, 843678, 958725, 1171775, 1406130, 1917450, 2109195, 2343550, 3515325, 4218390, 7030650, 10545975, 21091950]

約数ペア:

[(1, 21091950), (2, 10545975), (3, 7030650), (5, 4218390), (6, 3515325), (9, 2343550), (10, 2109195), (11, 1917450), (15, 1406130), (18, 1171775), (22, 958725), (25, 843678), (30, 703065), (33, 639150), (45, 468710), (50, 421839), (55, 383490), (66, 319575), (75, 281226), (90, 234355), (99, 213050), (110, 191745), (150, 140613), (165, 127830), (198, 106525), (225, 93742), (275, 76698), (330, 63915), (450, 46871), (495, 42610), (550, 38349), (825, 25566), (990, 21305), (1650, 12783), (2475, 8522), (4261, 4950)]