21684810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1$

素因数の和:3379

約数の個数: 64

約数和(自身を含む): 61415424

約数和(自身を除く): 39730614

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 3331, 6510, 6662, 9993, 16655, 19986, 23317, 33310, 46634, 49965, 69951, 99930, 103261, 116585, 139902, 206522, 233170, 309783, 349755, 516305, 619566, 699510, 722827, 1032610, 1445654, 1548915, 2168481, 3097830, 3614135, 4336962, 7228270, 10842405, 21684810]

約数ペア:

[(1, 21684810), (2, 10842405), (3, 7228270), (5, 4336962), (6, 3614135), (7, 3097830), (10, 2168481), (14, 1548915), (15, 1445654), (21, 1032610), (30, 722827), (31, 699510), (35, 619566), (42, 516305), (62, 349755), (70, 309783), (93, 233170), (105, 206522), (155, 139902), (186, 116585), (210, 103261), (217, 99930), (310, 69951), (434, 49965), (465, 46634), (651, 33310), (930, 23317), (1085, 19986), (1302, 16655), (2170, 9993), (3255, 6662), (3331, 6510)]