2142420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5101}}^1$

素因数の和:5120

約数の個数: 48

約数和(自身を含む): 6857088

約数和(自身を除く): 4714668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 5101, 10202, 15303, 20404, 25505, 30606, 35707, 51010, 61212, 71414, 76515, 102020, 107121, 142828, 153030, 178535, 214242, 306060, 357070, 428484, 535605, 714140, 1071210, 2142420]

約数ペア:

[(1, 2142420), (2, 1071210), (3, 714140), (4, 535605), (5, 428484), (6, 357070), (7, 306060), (10, 214242), (12, 178535), (14, 153030), (15, 142828), (20, 107121), (21, 102020), (28, 76515), (30, 71414), (35, 61212), (42, 51010), (60, 35707), (70, 30606), (84, 25505), (105, 20404), (140, 15303), (210, 10202), (420, 5101)]