21310208

素因数分解:

$2^8\times {\mathrm{83243}}^1$

素因数の和:83259

約数の個数: 18

約数和(自身を含む): 42537684

約数和(自身を除く): 21227476

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 83243, 166486, 332972, 665944, 1331888, 2663776, 5327552, 10655104, 21310208]

約数ペア:

[(1, 21310208), (2, 10655104), (4, 5327552), (8, 2663776), (16, 1331888), (32, 665944), (64, 332972), (128, 166486), (256, 83243)]