21477400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 61714800

約数和(自身を除く): 40237400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 29, 35, 40, 46, 50, 56, 58, 70, 92, 100, 115, 116, 140, 145, 161, 175, 184, 200, 203, 230, 232, 280, 290, 322, 350, 406, 460, 529, 575, 580, 644, 667, 700, 725, 805, 812, 920, 1015, 1058, 1150, 1160, 1288, 1334, 1400, 1450, 1610, 1624, 2030, 2116, 2300, 2645, 2668, 2900, 3220, 3335, 3703, 4025, 4060, 4232, 4600, 4669, 5075, 5290, 5336, 5800, 6440, 6670, 7406, 8050, 8120, 9338, 10150, 10580, 13225, 13340, 14812, 15341, 16100, 16675, 18515, 18676, 20300, 21160, 23345, 26450, 26680, 29624, 30682, 32200, 33350, 37030, 37352, 40600, 46690, 52900, 61364, 66700, 74060, 76705, 92575, 93380, 105800, 107387, 116725, 122728, 133400, 148120, 153410, 185150, 186760, 214774, 233450, 306820, 370300, 383525, 429548, 466900, 536935, 613640, 740600, 767050, 859096, 933800, 1073870, 1534100, 2147740, 2684675, 3068200, 4295480, 5369350, 10738700, 21477400]

約数ペア:

[(1, 21477400), (2, 10738700), (4, 5369350), (5, 4295480), (7, 3068200), (8, 2684675), (10, 2147740), (14, 1534100), (20, 1073870), (23, 933800), (25, 859096), (28, 767050), (29, 740600), (35, 613640), (40, 536935), (46, 466900), (50, 429548), (56, 383525), (58, 370300), (70, 306820), (92, 233450), (100, 214774), (115, 186760), (116, 185150), (140, 153410), (145, 148120), (161, 133400), (175, 122728), (184, 116725), (200, 107387), (203, 105800), (230, 93380), (232, 92575), (280, 76705), (290, 74060), (322, 66700), (350, 61364), (406, 52900), (460, 46690), (529, 40600), (575, 37352), (580, 37030), (644, 33350), (667, 32200), (700, 30682), (725, 29624), (805, 26680), (812, 26450), (920, 23345), (1015, 21160), (1058, 20300), (1150, 18676), (1160, 18515), (1288, 16675), (1334, 16100), (1400, 15341), (1450, 14812), (1610, 13340), (1624, 13225), (2030, 10580), (2116, 10150), (2300, 9338), (2645, 8120), (2668, 8050), (2900, 7406), (3220, 6670), (3335, 6440), (3703, 5800), (4025, 5336), (4060, 5290), (4232, 5075), (4600, 4669)]