21269493

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5923}}^1$

素因数の和:5958

約数の個数: 32

約数和(自身を含む): 37913600

約数和(自身を除く): 16644107

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5923, 17769, 41461, 53307, 112537, 124383, 159921, 337611, 373149, 787759, 1012833, 1119447, 2363277, 3038499, 7089831, 21269493]

約数ペア:

[(1, 21269493), (3, 7089831), (7, 3038499), (9, 2363277), (19, 1119447), (21, 1012833), (27, 787759), (57, 373149), (63, 337611), (133, 159921), (171, 124383), (189, 112537), (399, 53307), (513, 41461), (1197, 17769), (3591, 5923)]