21909636

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 96

約数和(自身を含む): 65972480

約数和(自身を除く): 44062844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 73, 84, 108, 126, 146, 189, 219, 252, 292, 378, 397, 438, 511, 657, 756, 794, 876, 1022, 1191, 1314, 1533, 1588, 1971, 2044, 2382, 2628, 2779, 3066, 3573, 3942, 4599, 4764, 5558, 6132, 7146, 7884, 8337, 9198, 10719, 11116, 13797, 14292, 16674, 18396, 21438, 25011, 27594, 28981, 33348, 42876, 50022, 55188, 57962, 75033, 86943, 100044, 115924, 150066, 173886, 202867, 260829, 300132, 347772, 405734, 521658, 608601, 782487, 811468, 1043316, 1217202, 1564974, 1825803, 2434404, 3129948, 3651606, 5477409, 7303212, 10954818, 21909636]

約数ペア:

[(1, 21909636), (2, 10954818), (3, 7303212), (4, 5477409), (6, 3651606), (7, 3129948), (9, 2434404), (12, 1825803), (14, 1564974), (18, 1217202), (21, 1043316), (27, 811468), (28, 782487), (36, 608601), (42, 521658), (54, 405734), (63, 347772), (73, 300132), (84, 260829), (108, 202867), (126, 173886), (146, 150066), (189, 115924), (219, 100044), (252, 86943), (292, 75033), (378, 57962), (397, 55188), (438, 50022), (511, 42876), (657, 33348), (756, 28981), (794, 27594), (876, 25011), (1022, 21438), (1191, 18396), (1314, 16674), (1533, 14292), (1588, 13797), (1971, 11116), (2044, 10719), (2382, 9198), (2628, 8337), (2779, 7884), (3066, 7146), (3573, 6132), (3942, 5558), (4599, 4764)]