21674763

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 17032437

約数列:

[1, 3, 9, 11, 19, 23, 27, 33, 57, 69, 99, 167, 171, 207, 209, 253, 297, 437, 501, 513, 621, 627, 759, 1311, 1503, 1837, 1881, 2277, 3173, 3841, 3933, 4509, 4807, 5511, 5643, 6831, 9519, 11523, 11799, 14421, 16533, 28557, 34569, 34903, 42251, 43263, 49599, 72979, 85671, 103707, 104709, 126753, 129789, 218937, 314127, 380259, 656811, 802769, 942381, 1140777, 1970433, 2408307, 7224921, 21674763]

約数ペア:

[(1, 21674763), (3, 7224921), (9, 2408307), (11, 1970433), (19, 1140777), (23, 942381), (27, 802769), (33, 656811), (57, 380259), (69, 314127), (99, 218937), (167, 129789), (171, 126753), (207, 104709), (209, 103707), (253, 85671), (297, 72979), (437, 49599), (501, 43263), (513, 42251), (621, 34903), (627, 34569), (759, 28557), (1311, 16533), (1503, 14421), (1837, 11799), (1881, 11523), (2277, 9519), (3173, 6831), (3841, 5643), (3933, 5511), (4509, 4807)]