21167994856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{155647021}}^1$

素因数の和:155647044

約数の個数: 16

約数和(自身を含む): 42024695940

約数和(自身を除く): 20856701084

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 155647021, 311294042, 622588084, 1245176168, 2645999357, 5291998714, 10583997428, 21167994856]

約数ペア:

[(1, 21167994856), (2, 10583997428), (4, 5291998714), (8, 2645999357), (17, 1245176168), (34, 622588084), (68, 311294042), (136, 155647021)]