21724329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{12421}}^1$

素因数の和:12488

約数の個数: 16

約数和(自身を含む): 32197824

約数和(自身を除く): 10473495

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 12421, 37263, 136631, 409893, 658313, 1974939, 7241443, 21724329]

約数ペア:

[(1, 21724329), (3, 7241443), (11, 1974939), (33, 658313), (53, 409893), (159, 136631), (583, 37263), (1749, 12421)]