42512820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101221}}^1$

素因数の和:101240

約数の個数: 48

約数和(自身を含む): 136042368

約数和(自身を除く): 93529548

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, 101221, 202442, 303663, 404884, 506105, 607326, 708547, 1012210, 1214652, 1417094, 1518315, 2024420, 2125641, 2834188, 3036630, 3542735, 4251282, 6073260, 7085470, 8502564, 10628205, 14170940, 21256410, 42512820]

約数ペア:

[(1, 42512820), (2, 21256410), (3, 14170940), (4, 10628205), (5, 8502564), (6, 7085470), (7, 6073260), (10, 4251282), (12, 3542735), (14, 3036630), (15, 2834188), (20, 2125641), (21, 2024420), (28, 1518315), (30, 1417094), (35, 1214652), (42, 1012210), (60, 708547), (70, 607326), (84, 506105), (105, 404884), (140, 303663), (210, 202442), (420, 101221)]