21283812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 59596992

約数和(自身を除く): 38313180

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 757, 781, 852, 1278, 1514, 1562, 2271, 2343, 2556, 3028, 3124, 4542, 4686, 6813, 7029, 8327, 9084, 9372, 13626, 14058, 16654, 24981, 27252, 28116, 33308, 49962, 53747, 74943, 99924, 107494, 149886, 161241, 214988, 299772, 322482, 483723, 591217, 644964, 967446, 1182434, 1773651, 1934892, 2364868, 3547302, 5320953, 7094604, 10641906, 21283812]

約数ペア:

[(1, 21283812), (2, 10641906), (3, 7094604), (4, 5320953), (6, 3547302), (9, 2364868), (11, 1934892), (12, 1773651), (18, 1182434), (22, 967446), (33, 644964), (36, 591217), (44, 483723), (66, 322482), (71, 299772), (99, 214988), (132, 161241), (142, 149886), (198, 107494), (213, 99924), (284, 74943), (396, 53747), (426, 49962), (639, 33308), (757, 28116), (781, 27252), (852, 24981), (1278, 16654), (1514, 14058), (1562, 13626), (2271, 9372), (2343, 9084), (2556, 8327), (3028, 7029), (3124, 6813), (4542, 4686)]