21607764

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 53329920

約数和(自身を除く): 31722156

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 79, 92, 138, 158, 237, 276, 316, 474, 948, 991, 1817, 1982, 2973, 3634, 3964, 5451, 5946, 7268, 10902, 11892, 21804, 22793, 45586, 68379, 78289, 91172, 136758, 156578, 234867, 273516, 313156, 469734, 939468, 1800647, 3601294, 5401941, 7202588, 10803882, 21607764]

約数ペア:

[(1, 21607764), (2, 10803882), (3, 7202588), (4, 5401941), (6, 3601294), (12, 1800647), (23, 939468), (46, 469734), (69, 313156), (79, 273516), (92, 234867), (138, 156578), (158, 136758), (237, 91172), (276, 78289), (316, 68379), (474, 45586), (948, 22793), (991, 21804), (1817, 11892), (1982, 10902), (2973, 7268), (3634, 5946), (3964, 5451)]