21360104

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{140527}}^1$

素因数の和:140552

約数の個数: 16

約数和(自身を含む): 42158400

約数和(自身を除く): 20798296

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 140527, 281054, 562108, 1124216, 2670013, 5340026, 10680052, 21360104]

約数ペア:

[(1, 21360104), (2, 10680052), (4, 5340026), (8, 2670013), (19, 1124216), (38, 562108), (76, 281054), (152, 140527)]