21729228

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 52738560

約数和(自身を除く): 31009332

約数列:

[1, 2, 3, 4, 6, 12, 47, 59, 94, 118, 141, 177, 188, 236, 282, 354, 564, 653, 708, 1306, 1959, 2612, 2773, 3918, 5546, 7836, 8319, 11092, 16638, 30691, 33276, 38527, 61382, 77054, 92073, 115581, 122764, 154108, 184146, 231162, 368292, 462324, 1810769, 3621538, 5432307, 7243076, 10864614, 21729228]

約数ペア:

[(1, 21729228), (2, 10864614), (3, 7243076), (4, 5432307), (6, 3621538), (12, 1810769), (47, 462324), (59, 368292), (94, 231162), (118, 184146), (141, 154108), (177, 122764), (188, 115581), (236, 92073), (282, 77054), (354, 61382), (564, 38527), (653, 33276), (708, 30691), (1306, 16638), (1959, 11092), (2612, 8319), (2773, 7836), (3918, 5546)]