21291840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7393}}^1$

素因数の和:7416

約数の個数: 84

約数和(自身を含む): 73244964

約数和(自身を除く): 51953124

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7393, 14786, 22179, 29572, 36965, 44358, 59144, 66537, 73930, 88716, 110895, 118288, 133074, 147860, 177432, 221790, 236576, 266148, 295720, 332685, 354864, 443580, 473152, 532296, 591440, 665370, 709728, 887160, 1064592, 1182880, 1330740, 1419456, 1774320, 2129184, 2365760, 2661480, 3548640, 4258368, 5322960, 7097280, 10645920, 21291840]

約数ペア:

[(1, 21291840), (2, 10645920), (3, 7097280), (4, 5322960), (5, 4258368), (6, 3548640), (8, 2661480), (9, 2365760), (10, 2129184), (12, 1774320), (15, 1419456), (16, 1330740), (18, 1182880), (20, 1064592), (24, 887160), (30, 709728), (32, 665370), (36, 591440), (40, 532296), (45, 473152), (48, 443580), (60, 354864), (64, 332685), (72, 295720), (80, 266148), (90, 236576), (96, 221790), (120, 177432), (144, 147860), (160, 133074), (180, 118288), (192, 110895), (240, 88716), (288, 73930), (320, 66537), (360, 59144), (480, 44358), (576, 36965), (720, 29572), (960, 22179), (1440, 14786), (2880, 7393)]