21211004

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 37806048

約数和(自身を除く): 16595044

約数列:

[1, 2, 4, 113, 167, 226, 281, 334, 452, 562, 668, 1124, 18871, 31753, 37742, 46927, 63506, 75484, 93854, 127012, 187708, 5302751, 10605502, 21211004]

約数ペア:

[(1, 21211004), (2, 10605502), (4, 5302751), (113, 187708), (167, 127012), (226, 93854), (281, 75484), (334, 63506), (452, 46927), (562, 37742), (668, 31753), (1124, 18871)]