21376546

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{619}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 33212160

約数和(自身を除く): 11835614

約数列:

[1, 2, 31, 62, 557, 619, 1114, 1238, 17267, 19189, 34534, 38378, 344783, 689566, 10688273, 21376546]

約数ペア:

[(1, 21376546), (2, 10688273), (31, 689566), (62, 344783), (557, 38378), (619, 34534), (1114, 19189), (1238, 17267)]