2145910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 4408992

約数和(自身を除く): 2263082

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 971, 1105, 1942, 2210, 4855, 9710, 12623, 16507, 25246, 33014, 63115, 82535, 126230, 165070, 214591, 429182, 1072955, 2145910]

約数ペア:

[(1, 2145910), (2, 1072955), (5, 429182), (10, 214591), (13, 165070), (17, 126230), (26, 82535), (34, 63115), (65, 33014), (85, 25246), (130, 16507), (170, 12623), (221, 9710), (442, 4855), (971, 2210), (1105, 1942)]