21488316

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1298

約数の個数: 48

約数和(自身を含む): 53491200

約数和(自身を除く): 32002884

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 79, 114, 158, 228, 237, 316, 474, 948, 1193, 1501, 2386, 3002, 3579, 4503, 4772, 6004, 7158, 9006, 14316, 18012, 22667, 45334, 68001, 90668, 94247, 136002, 188494, 272004, 282741, 376988, 565482, 1130964, 1790693, 3581386, 5372079, 7162772, 10744158, 21488316]

約数ペア:

[(1, 21488316), (2, 10744158), (3, 7162772), (4, 5372079), (6, 3581386), (12, 1790693), (19, 1130964), (38, 565482), (57, 376988), (76, 282741), (79, 272004), (114, 188494), (158, 136002), (228, 94247), (237, 90668), (316, 68001), (474, 45334), (948, 22667), (1193, 18012), (1501, 14316), (2386, 9006), (3002, 7158), (3579, 6004), (4503, 4772)]