21254178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1283}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 46593792

約数和(自身を除く): 25339614

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 251, 502, 753, 1283, 1506, 2566, 2761, 3849, 5522, 7698, 8283, 14113, 16566, 28226, 42339, 84678, 322033, 644066, 966099, 1932198, 3542363, 7084726, 10627089, 21254178]

約数ペア:

[(1, 21254178), (2, 10627089), (3, 7084726), (6, 3542363), (11, 1932198), (22, 966099), (33, 644066), (66, 322033), (251, 84678), (502, 42339), (753, 28226), (1283, 16566), (1506, 14113), (2566, 8283), (2761, 7698), (3849, 5522)]