21013000

素因数分解:

$2^3\times 5^3\times {\mathrm{21013}}^1$

素因数の和:21034

約数の個数: 32

約数和(自身を含む): 49172760

約数和(自身を除く): 28159760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 21013, 42026, 84052, 105065, 168104, 210130, 420260, 525325, 840520, 1050650, 2101300, 2626625, 4202600, 5253250, 10506500, 21013000]

約数ペア:

[(1, 21013000), (2, 10506500), (4, 5253250), (5, 4202600), (8, 2626625), (10, 2101300), (20, 1050650), (25, 840520), (40, 525325), (50, 420260), (100, 210130), (125, 168104), (200, 105065), (250, 84052), (500, 42026), (1000, 21013)]