21431736

素因数分解:

$2^3\times 3^3\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 59911200

約数和(自身を除く): 38479464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 313, 317, 626, 634, 939, 951, 1252, 1268, 1878, 1902, 2504, 2536, 2817, 2853, 3756, 3804, 5634, 5706, 7512, 7608, 8451, 8559, 11268, 11412, 16902, 17118, 22536, 22824, 33804, 34236, 67608, 68472, 99221, 198442, 297663, 396884, 595326, 793768, 892989, 1190652, 1785978, 2381304, 2678967, 3571956, 5357934, 7143912, 10715868, 21431736]

約数ペア:

[(1, 21431736), (2, 10715868), (3, 7143912), (4, 5357934), (6, 3571956), (8, 2678967), (9, 2381304), (12, 1785978), (18, 1190652), (24, 892989), (27, 793768), (36, 595326), (54, 396884), (72, 297663), (108, 198442), (216, 99221), (313, 68472), (317, 67608), (626, 34236), (634, 33804), (939, 22824), (951, 22536), (1252, 17118), (1268, 16902), (1878, 11412), (1902, 11268), (2504, 8559), (2536, 8451), (2817, 7608), (2853, 7512), (3756, 5706), (3804, 5634)]