21497400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{1327}}^1$

素因数の和:1355

約数の個数: 120

約数和(自身を含む): 74719920

約数和(自身を除く): 53222520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 270, 300, 324, 360, 405, 450, 540, 600, 648, 675, 810, 900, 1080, 1327, 1350, 1620, 1800, 2025, 2654, 2700, 3240, 3981, 4050, 5308, 5400, 6635, 7962, 8100, 10616, 11943, 13270, 15924, 16200, 19905, 23886, 26540, 31848, 33175, 35829, 39810, 47772, 53080, 59715, 66350, 71658, 79620, 95544, 99525, 107487, 119430, 132700, 143316, 159240, 179145, 199050, 214974, 238860, 265400, 286632, 298575, 358290, 398100, 429948, 477720, 537435, 597150, 716580, 796200, 859896, 895725, 1074870, 1194300, 1433160, 1791450, 2149740, 2388600, 2687175, 3582900, 4299480, 5374350, 7165800, 10748700, 21497400]

約数ペア:

[(1, 21497400), (2, 10748700), (3, 7165800), (4, 5374350), (5, 4299480), (6, 3582900), (8, 2687175), (9, 2388600), (10, 2149740), (12, 1791450), (15, 1433160), (18, 1194300), (20, 1074870), (24, 895725), (25, 859896), (27, 796200), (30, 716580), (36, 597150), (40, 537435), (45, 477720), (50, 429948), (54, 398100), (60, 358290), (72, 298575), (75, 286632), (81, 265400), (90, 238860), (100, 214974), (108, 199050), (120, 179145), (135, 159240), (150, 143316), (162, 132700), (180, 119430), (200, 107487), (216, 99525), (225, 95544), (270, 79620), (300, 71658), (324, 66350), (360, 59715), (405, 53080), (450, 47772), (540, 39810), (600, 35829), (648, 33175), (675, 31848), (810, 26540), (900, 23886), (1080, 19905), (1327, 16200), (1350, 15924), (1620, 13270), (1800, 11943), (2025, 10616), (2654, 8100), (2700, 7962), (3240, 6635), (3981, 5400), (4050, 5308)]