21678400

素因数分解:

$2^6\times 5^2\times {\mathrm{17}}^1\times {\mathrm{797}}^1$

素因数の和:836

約数の個数: 84

約数和(自身を含む): 56551068

約数和(自身を除く): 34872668

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 136, 160, 170, 200, 272, 320, 340, 400, 425, 544, 680, 797, 800, 850, 1088, 1360, 1594, 1600, 1700, 2720, 3188, 3400, 3985, 5440, 6376, 6800, 7970, 12752, 13549, 13600, 15940, 19925, 25504, 27098, 27200, 31880, 39850, 51008, 54196, 63760, 67745, 79700, 108392, 127520, 135490, 159400, 216784, 255040, 270980, 318800, 338725, 433568, 541960, 637600, 677450, 867136, 1083920, 1275200, 1354900, 2167840, 2709800, 4335680, 5419600, 10839200, 21678400]

約数ペア:

[(1, 21678400), (2, 10839200), (4, 5419600), (5, 4335680), (8, 2709800), (10, 2167840), (16, 1354900), (17, 1275200), (20, 1083920), (25, 867136), (32, 677450), (34, 637600), (40, 541960), (50, 433568), (64, 338725), (68, 318800), (80, 270980), (85, 255040), (100, 216784), (136, 159400), (160, 135490), (170, 127520), (200, 108392), (272, 79700), (320, 67745), (340, 63760), (400, 54196), (425, 51008), (544, 39850), (680, 31880), (797, 27200), (800, 27098), (850, 25504), (1088, 19925), (1360, 15940), (1594, 13600), (1600, 13549), (1700, 12752), (2720, 7970), (3188, 6800), (3400, 6376), (3985, 5440)]