21212235

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42853}}^1$

素因数の和:42875

約数の個数: 24

約数和(自身を含む): 40111344

約数和(自身を除く): 18899109

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 42853, 128559, 214265, 385677, 471383, 642795, 1414149, 1928385, 2356915, 4242447, 7070745, 21212235]

約数ペア:

[(1, 21212235), (3, 7070745), (5, 4242447), (9, 2356915), (11, 1928385), (15, 1414149), (33, 642795), (45, 471383), (55, 385677), (99, 214265), (165, 128559), (495, 42853)]