21159200

素因数分解:

$2^5\times 5^2\times {\mathrm{26449}}^1$

素因数の和:26469

約数の個数: 36

約数和(自身を含む): 51656850

約数和(自身を除く): 30497650

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26449, 52898, 105796, 132245, 211592, 264490, 423184, 528980, 661225, 846368, 1057960, 1322450, 2115920, 2644900, 4231840, 5289800, 10579600, 21159200]

約数ペア:

[(1, 21159200), (2, 10579600), (4, 5289800), (5, 4231840), (8, 2644900), (10, 2115920), (16, 1322450), (20, 1057960), (25, 846368), (32, 661225), (40, 528980), (50, 423184), (80, 264490), (100, 211592), (160, 132245), (200, 105796), (400, 52898), (800, 26449)]