21687904

素因数分解:

$2^5\times 7^1\times {\mathrm{96821}}^1$

素因数の和:96838

約数の個数: 24

約数和(自身を含む): 48798288

約数和(自身を除く): 27110384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 96821, 193642, 387284, 677747, 774568, 1355494, 1549136, 2710988, 3098272, 5421976, 10843952, 21687904]

約数ペア:

[(1, 21687904), (2, 10843952), (4, 5421976), (7, 3098272), (8, 2710988), (14, 1549136), (16, 1355494), (28, 774568), (32, 677747), (56, 387284), (112, 193642), (224, 96821)]