21365520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8093}}^1$

素因数の和:8120

約数の個数: 80

約数和(自身を含む): 72263232

約数和(自身を除く): 50897712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8093, 16186, 24279, 32372, 40465, 48558, 64744, 80930, 89023, 97116, 121395, 129488, 161860, 178046, 194232, 242790, 267069, 323720, 356092, 388464, 445115, 485580, 534138, 647440, 712184, 890230, 971160, 1068276, 1335345, 1424368, 1780460, 1942320, 2136552, 2670690, 3560920, 4273104, 5341380, 7121840, 10682760, 21365520]

約数ペア:

[(1, 21365520), (2, 10682760), (3, 7121840), (4, 5341380), (5, 4273104), (6, 3560920), (8, 2670690), (10, 2136552), (11, 1942320), (12, 1780460), (15, 1424368), (16, 1335345), (20, 1068276), (22, 971160), (24, 890230), (30, 712184), (33, 647440), (40, 534138), (44, 485580), (48, 445115), (55, 388464), (60, 356092), (66, 323720), (80, 267069), (88, 242790), (110, 194232), (120, 178046), (132, 161860), (165, 129488), (176, 121395), (220, 97116), (240, 89023), (264, 80930), (330, 64744), (440, 48558), (528, 40465), (660, 32372), (880, 24279), (1320, 16186), (2640, 8093)]