21502492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6883}}^1$

素因数の和:6969

約数の個数: 24

約数和(自身を含む): 41634432

約数和(自身を除く): 20131940

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6883, 13766, 27532, 75713, 151426, 302852, 488693, 977386, 1954772, 5375623, 10751246, 21502492]

約数ペア:

[(1, 21502492), (2, 10751246), (4, 5375623), (11, 1954772), (22, 977386), (44, 488693), (71, 302852), (142, 151426), (284, 75713), (781, 27532), (1562, 13766), (3124, 6883)]