21510394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15299}}^1$

素因数の和:15357

約数の個数: 16

約数和(自身を含む): 34884000

約数和(自身を除く): 13373606

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 15299, 30598, 290681, 566063, 581362, 1132126, 10755197, 21510394]

約数ペア:

[(1, 21510394), (2, 10755197), (19, 1132126), (37, 581362), (38, 566063), (74, 290681), (703, 30598), (1406, 15299)]