21484890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:596

約数の個数: 96

約数和(自身を含む): 64920960

約数和(自身を除く): 43436070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 67, 70, 90, 105, 126, 134, 201, 210, 315, 335, 402, 469, 509, 603, 630, 670, 938, 1005, 1018, 1206, 1407, 1527, 2010, 2345, 2545, 2814, 3015, 3054, 3563, 4221, 4581, 4690, 5090, 6030, 7035, 7126, 7635, 8442, 9162, 10689, 14070, 15270, 17815, 21105, 21378, 22905, 32067, 34103, 35630, 42210, 45810, 53445, 64134, 68206, 102309, 106890, 160335, 170515, 204618, 238721, 306927, 320670, 341030, 477442, 511545, 613854, 716163, 1023090, 1193605, 1432326, 1534635, 2148489, 2387210, 3069270, 3580815, 4296978, 7161630, 10742445, 21484890]

約数ペア:

[(1, 21484890), (2, 10742445), (3, 7161630), (5, 4296978), (6, 3580815), (7, 3069270), (9, 2387210), (10, 2148489), (14, 1534635), (15, 1432326), (18, 1193605), (21, 1023090), (30, 716163), (35, 613854), (42, 511545), (45, 477442), (63, 341030), (67, 320670), (70, 306927), (90, 238721), (105, 204618), (126, 170515), (134, 160335), (201, 106890), (210, 102309), (315, 68206), (335, 64134), (402, 53445), (469, 45810), (509, 42210), (603, 35630), (630, 34103), (670, 32067), (938, 22905), (1005, 21378), (1018, 21105), (1206, 17815), (1407, 15270), (1527, 14070), (2010, 10689), (2345, 9162), (2545, 8442), (2814, 7635), (3015, 7126), (3054, 7035), (3563, 6030), (4221, 5090), (4581, 4690)]