21496300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 108

約数和(自身を含む): 56105784

約数和(自身を除く): 34609484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 107, 140, 164, 175, 196, 205, 214, 245, 287, 350, 410, 428, 490, 535, 574, 700, 749, 820, 980, 1025, 1070, 1148, 1225, 1435, 1498, 2009, 2050, 2140, 2450, 2675, 2870, 2996, 3745, 4018, 4100, 4387, 4900, 5243, 5350, 5740, 7175, 7490, 8036, 8774, 10045, 10486, 10700, 14350, 14980, 17548, 18725, 20090, 20972, 21935, 26215, 28700, 30709, 37450, 40180, 43870, 50225, 52430, 61418, 74900, 87740, 100450, 104860, 109675, 122836, 131075, 153545, 200900, 214963, 219350, 262150, 307090, 429926, 438700, 524300, 614180, 767725, 859852, 1074815, 1535450, 2149630, 3070900, 4299260, 5374075, 10748150, 21496300]

約数ペア:

[(1, 21496300), (2, 10748150), (4, 5374075), (5, 4299260), (7, 3070900), (10, 2149630), (14, 1535450), (20, 1074815), (25, 859852), (28, 767725), (35, 614180), (41, 524300), (49, 438700), (50, 429926), (70, 307090), (82, 262150), (98, 219350), (100, 214963), (107, 200900), (140, 153545), (164, 131075), (175, 122836), (196, 109675), (205, 104860), (214, 100450), (245, 87740), (287, 74900), (350, 61418), (410, 52430), (428, 50225), (490, 43870), (535, 40180), (574, 37450), (700, 30709), (749, 28700), (820, 26215), (980, 21935), (1025, 20972), (1070, 20090), (1148, 18725), (1225, 17548), (1435, 14980), (1498, 14350), (2009, 10700), (2050, 10486), (2140, 10045), (2450, 8774), (2675, 8036), (2870, 7490), (2996, 7175), (3745, 5740), (4018, 5350), (4100, 5243), (4387, 4900)]