21496437

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 32123520

約数和(自身を除く): 10627083

約数列:

[1, 3, 9, 47, 89, 141, 267, 423, 571, 801, 1713, 4183, 5139, 12549, 26837, 37647, 50819, 80511, 152457, 241533, 457371, 2388493, 7165479, 21496437]

約数ペア:

[(1, 21496437), (3, 7165479), (9, 2388493), (47, 457371), (89, 241533), (141, 152457), (267, 80511), (423, 50819), (571, 37647), (801, 26837), (1713, 12549), (4183, 5139)]