21704928

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32299}}^1$

素因数の和:32319

約数の個数: 48

約数和(自身を含む): 65116800

約数和(自身を除く): 43411872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 32299, 64598, 96897, 129196, 193794, 226093, 258392, 387588, 452186, 516784, 678279, 775176, 904372, 1033568, 1356558, 1550352, 1808744, 2713116, 3100704, 3617488, 5426232, 7234976, 10852464, 21704928]

約数ペア:

[(1, 21704928), (2, 10852464), (3, 7234976), (4, 5426232), (6, 3617488), (7, 3100704), (8, 2713116), (12, 1808744), (14, 1550352), (16, 1356558), (21, 1033568), (24, 904372), (28, 775176), (32, 678279), (42, 516784), (48, 452186), (56, 387588), (84, 258392), (96, 226093), (112, 193794), (168, 129196), (224, 96897), (336, 64598), (672, 32299)]