21008867712

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7815799}}^1$

素因数の和:7815823

約数の個数: 64

約数和(自身を含む): 63776928000

約数和(自身を除く): 42768060288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7815799, 15631598, 23447397, 31263196, 46894794, 54710593, 62526392, 93789588, 109421186, 125052784, 164131779, 187579176, 218842372, 250105568, 328263558, 375158352, 437684744, 500211136, 656527116, 750316704, 875369488, 1000422272, 1313054232, 1500633408, 1750738976, 2626108464, 3001266816, 3501477952, 5252216928, 7002955904, 10504433856, 21008867712]

約数ペア:

[(1, 21008867712), (2, 10504433856), (3, 7002955904), (4, 5252216928), (6, 3501477952), (7, 3001266816), (8, 2626108464), (12, 1750738976), (14, 1500633408), (16, 1313054232), (21, 1000422272), (24, 875369488), (28, 750316704), (32, 656527116), (42, 500211136), (48, 437684744), (56, 375158352), (64, 328263558), (84, 250105568), (96, 218842372), (112, 187579176), (128, 164131779), (168, 125052784), (192, 109421186), (224, 93789588), (336, 62526392), (384, 54710593), (448, 46894794), (672, 31263196), (896, 23447397), (1344, 15631598), (2688, 7815799)]