21651400

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3733}}^1$

素因数の和:3778

約数の個数: 48

約数和(自身を含む): 52089300

約数和(自身を除く): 30437900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3733, 5800, 7466, 14932, 18665, 29864, 37330, 74660, 93325, 108257, 149320, 186650, 216514, 373300, 433028, 541285, 746600, 866056, 1082570, 2165140, 2706425, 4330280, 5412850, 10825700, 21651400]

約数ペア:

[(1, 21651400), (2, 10825700), (4, 5412850), (5, 4330280), (8, 2706425), (10, 2165140), (20, 1082570), (25, 866056), (29, 746600), (40, 541285), (50, 433028), (58, 373300), (100, 216514), (116, 186650), (145, 149320), (200, 108257), (232, 93325), (290, 74660), (580, 37330), (725, 29864), (1160, 18665), (1450, 14932), (2900, 7466), (3733, 5800)]