2121597770

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{857}}^1\times {\mathrm{881}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 3841293456

約数和(自身を除く): 1719695686

約数列:

[1, 2, 5, 10, 281, 562, 857, 881, 1405, 1714, 1762, 2810, 4285, 4405, 8570, 8810, 240817, 247561, 481634, 495122, 755017, 1204085, 1237805, 1510034, 2408170, 2475610, 3775085, 7550170, 212159777, 424319554, 1060798885, 2121597770]

約数ペア:

[(1, 2121597770), (2, 1060798885), (5, 424319554), (10, 212159777), (281, 7550170), (562, 3775085), (857, 2475610), (881, 2408170), (1405, 1510034), (1714, 1237805), (1762, 1204085), (2810, 755017), (4285, 495122), (4405, 481634), (8570, 247561), (8810, 240817)]