2017656921

素因数分解:

$3^1\times 7^1\times {\mathrm{6131}}^1\times {\mathrm{15671}}^1$

素因数の和:21812

約数の個数: 16

約数和(自身を含む): 3075222528

約数和(自身を除く): 1057565607

約数列:

[1, 3, 7, 21, 6131, 15671, 18393, 42917, 47013, 109697, 128751, 329091, 96078901, 288236703, 672552307, 2017656921]

約数ペア:

[(1, 2017656921), (3, 672552307), (7, 288236703), (21, 96078901), (6131, 329091), (15671, 128751), (18393, 109697), (42917, 47013)]