21348654800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{11863}}^1$

素因数の和:12301

約数の個数: 120

約数和(自身を含む): 56094415680

約数和(自身を除く): 34745760880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 409, 440, 550, 818, 880, 1100, 1636, 2045, 2200, 3272, 4090, 4400, 4499, 6544, 8180, 8998, 10225, 11863, 16360, 17996, 20450, 22495, 23726, 32720, 35992, 40900, 44990, 47452, 59315, 71984, 81800, 89980, 94904, 112475, 118630, 130493, 163600, 179960, 189808, 224950, 237260, 260986, 296575, 359920, 449900, 474520, 521972, 593150, 652465, 899800, 949040, 1043944, 1186300, 1304930, 1799600, 2087888, 2372600, 2609860, 3262325, 4745200, 4851967, 5219720, 6524650, 9703934, 10439440, 13049300, 19407868, 24259835, 26098600, 38815736, 48519670, 52197200, 53371637, 77631472, 97039340, 106743274, 121299175, 194078680, 213486548, 242598350, 266858185, 388157360, 426973096, 485196700, 533716370, 853946192, 970393400, 1067432740, 1334290925, 1940786800, 2134865480, 2668581850, 4269730960, 5337163700, 10674327400, 21348654800]

約数ペア:

[(1, 21348654800), (2, 10674327400), (4, 5337163700), (5, 4269730960), (8, 2668581850), (10, 2134865480), (11, 1940786800), (16, 1334290925), (20, 1067432740), (22, 970393400), (25, 853946192), (40, 533716370), (44, 485196700), (50, 426973096), (55, 388157360), (80, 266858185), (88, 242598350), (100, 213486548), (110, 194078680), (176, 121299175), (200, 106743274), (220, 97039340), (275, 77631472), (400, 53371637), (409, 52197200), (440, 48519670), (550, 38815736), (818, 26098600), (880, 24259835), (1100, 19407868), (1636, 13049300), (2045, 10439440), (2200, 9703934), (3272, 6524650), (4090, 5219720), (4400, 4851967), (4499, 4745200), (6544, 3262325), (8180, 2609860), (8998, 2372600), (10225, 2087888), (11863, 1799600), (16360, 1304930), (17996, 1186300), (20450, 1043944), (22495, 949040), (23726, 899800), (32720, 652465), (35992, 593150), (40900, 521972), (44990, 474520), (47452, 449900), (59315, 359920), (71984, 296575), (81800, 260986), (89980, 237260), (94904, 224950), (112475, 189808), (118630, 179960), (130493, 163600)]