2100031300

素因数分解:

$2^2\times 5^2\times {\mathrm{21000313}}^1$

素因数の和:21000327

約数の個数: 18

約数和(自身を含む): 4557068138

約数和(自身を除く): 2457036838

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21000313, 42000626, 84001252, 105001565, 210003130, 420006260, 525007825, 1050015650, 2100031300]

約数ペア:

[(1, 2100031300), (2, 1050015650), (4, 525007825), (5, 420006260), (10, 210003130), (20, 105001565), (25, 84001252), (50, 42000626), (100, 21000313)]