21293608

素因数分解:

$2^3\times 7^1\times {\mathrm{577}}^1\times {\mathrm{659}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 45777600

約数和(自身を除く): 24483992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 577, 659, 1154, 1318, 2308, 2636, 4039, 4613, 4616, 5272, 8078, 9226, 16156, 18452, 32312, 36904, 380243, 760486, 1520972, 2661701, 3041944, 5323402, 10646804, 21293608]

約数ペア:

[(1, 21293608), (2, 10646804), (4, 5323402), (7, 3041944), (8, 2661701), (14, 1520972), (28, 760486), (56, 380243), (577, 36904), (659, 32312), (1154, 18452), (1318, 16156), (2308, 9226), (2636, 8078), (4039, 5272), (4613, 4616)]