21491129784

素因数分解:

$2^3\times 3^1\times {\mathrm{541}}^1\times {\mathrm{1655201}}^1$

素因数の和:1655751

約数の個数: 32

約数和(自身を含む): 53827169040

約数和(自身を除く): 32336039256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 541, 1082, 1623, 2164, 3246, 4328, 6492, 12984, 1655201, 3310402, 4965603, 6620804, 9931206, 13241608, 19862412, 39724824, 895463741, 1790927482, 2686391223, 3581854964, 5372782446, 7163709928, 10745564892, 21491129784]

約数ペア:

[(1, 21491129784), (2, 10745564892), (3, 7163709928), (4, 5372782446), (6, 3581854964), (8, 2686391223), (12, 1790927482), (24, 895463741), (541, 39724824), (1082, 19862412), (1623, 13241608), (2164, 9931206), (3246, 6620804), (4328, 4965603), (6492, 3310402), (12984, 1655201)]