2021158020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4812281}}^1$

素因数の和:4812300

約数の個数: 48

約数和(自身を含む): 6467707008

約数和(自身を除く): 4446548988

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, 4812281, 9624562, 14436843, 19249124, 24061405, 28873686, 33685967, 48122810, 57747372, 67371934, 72184215, 96245620, 101057901, 134743868, 144368430, 168429835, 202115802, 288736860, 336859670, 404231604, 505289505, 673719340, 1010579010, 2021158020]

約数ペア:

[(1, 2021158020), (2, 1010579010), (3, 673719340), (4, 505289505), (5, 404231604), (6, 336859670), (7, 288736860), (10, 202115802), (12, 168429835), (14, 144368430), (15, 134743868), (20, 101057901), (21, 96245620), (28, 72184215), (30, 67371934), (35, 57747372), (42, 48122810), (60, 33685967), (70, 28873686), (84, 24061405), (105, 19249124), (140, 14436843), (210, 9624562), (420, 4812281)]