21048473

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 23141376

約数和(自身を除く): 2092903

約数列:

[1, 23, 31, 53, 557, 713, 1219, 1643, 12811, 17267, 29521, 37789, 397141, 678983, 915151, 21048473]

約数ペア:

[(1, 21048473), (23, 915151), (31, 678983), (53, 397141), (557, 37789), (713, 29521), (1219, 17267), (1643, 12811)]