21442638

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 51904512

約数和(自身を除く): 30461874

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 43, 62, 86, 93, 129, 186, 217, 258, 301, 383, 434, 602, 651, 766, 903, 1149, 1302, 1333, 1806, 2298, 2666, 2681, 3999, 5362, 7998, 8043, 9331, 11873, 16086, 16469, 18662, 23746, 27993, 32938, 35619, 49407, 55986, 71238, 83111, 98814, 115283, 166222, 230566, 249333, 345849, 498666, 510539, 691698, 1021078, 1531617, 3063234, 3573773, 7147546, 10721319, 21442638]

約数ペア:

[(1, 21442638), (2, 10721319), (3, 7147546), (6, 3573773), (7, 3063234), (14, 1531617), (21, 1021078), (31, 691698), (42, 510539), (43, 498666), (62, 345849), (86, 249333), (93, 230566), (129, 166222), (186, 115283), (217, 98814), (258, 83111), (301, 71238), (383, 55986), (434, 49407), (602, 35619), (651, 32938), (766, 27993), (903, 23746), (1149, 18662), (1302, 16469), (1333, 16086), (1806, 11873), (2298, 9331), (2666, 8043), (2681, 7998), (3999, 5362)]