21954329880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2969}}^1\times {\mathrm{8803}}^1$

素因数の和:11793

約数の個数: 128

約数和(自身を含む): 75305894400

約数和(自身を除く): 53351564520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2969, 5938, 8803, 8907, 11876, 14845, 17606, 17814, 20783, 23752, 26409, 29690, 35212, 35628, 41566, 44015, 44535, 52818, 59380, 61621, 62349, 70424, 71256, 83132, 88030, 89070, 103915, 105636, 118760, 123242, 124698, 132045, 166264, 176060, 178140, 184863, 207830, 211272, 246484, 249396, 264090, 308105, 311745, 352120, 356280, 369726, 415660, 492968, 498792, 528180, 616210, 623490, 739452, 831320, 924315, 1056360, 1232420, 1246980, 1478904, 1848630, 2464840, 2493960, 3697260, 7394520, 26136107, 52272214, 78408321, 104544428, 130680535, 156816642, 182952749, 209088856, 261361070, 313633284, 365905498, 392041605, 522722140, 548858247, 627266568, 731810996, 784083210, 914763745, 1045444280, 1097716494, 1463621992, 1568166420, 1829527490, 2195432988, 2744291235, 3136332840, 3659054980, 4390865976, 5488582470, 7318109960, 10977164940, 21954329880]

約数ペア:

[(1, 21954329880), (2, 10977164940), (3, 7318109960), (4, 5488582470), (5, 4390865976), (6, 3659054980), (7, 3136332840), (8, 2744291235), (10, 2195432988), (12, 1829527490), (14, 1568166420), (15, 1463621992), (20, 1097716494), (21, 1045444280), (24, 914763745), (28, 784083210), (30, 731810996), (35, 627266568), (40, 548858247), (42, 522722140), (56, 392041605), (60, 365905498), (70, 313633284), (84, 261361070), (105, 209088856), (120, 182952749), (140, 156816642), (168, 130680535), (210, 104544428), (280, 78408321), (420, 52272214), (840, 26136107), (2969, 7394520), (5938, 3697260), (8803, 2493960), (8907, 2464840), (11876, 1848630), (14845, 1478904), (17606, 1246980), (17814, 1232420), (20783, 1056360), (23752, 924315), (26409, 831320), (29690, 739452), (35212, 623490), (35628, 616210), (41566, 528180), (44015, 498792), (44535, 492968), (52818, 415660), (59380, 369726), (61621, 356280), (62349, 352120), (70424, 311745), (71256, 308105), (83132, 264090), (88030, 249396), (89070, 246484), (103915, 211272), (105636, 207830), (118760, 184863), (123242, 178140), (124698, 176060), (132045, 166264)]