21874410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^2$

素因数の和:105

約数の個数: 108

約数和(自身を含む): 62570898

約数和(自身を除く): 40696488

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 29, 30, 34, 45, 51, 58, 85, 87, 90, 102, 145, 153, 170, 174, 255, 261, 289, 290, 306, 435, 493, 510, 522, 578, 765, 841, 867, 870, 986, 1305, 1445, 1479, 1530, 1682, 1734, 2465, 2523, 2601, 2610, 2890, 2958, 4205, 4335, 4437, 4930, 5046, 5202, 7395, 7569, 8381, 8410, 8670, 8874, 12615, 13005, 14297, 14790, 15138, 16762, 22185, 25143, 25230, 26010, 28594, 37845, 41905, 42891, 44370, 50286, 71485, 75429, 75690, 83810, 85782, 125715, 128673, 142970, 150858, 214455, 243049, 251430, 257346, 377145, 428910, 486098, 643365, 729147, 754290, 1215245, 1286730, 1458294, 2187441, 2430490, 3645735, 4374882, 7291470, 10937205, 21874410]

約数ペア:

[(1, 21874410), (2, 10937205), (3, 7291470), (5, 4374882), (6, 3645735), (9, 2430490), (10, 2187441), (15, 1458294), (17, 1286730), (18, 1215245), (29, 754290), (30, 729147), (34, 643365), (45, 486098), (51, 428910), (58, 377145), (85, 257346), (87, 251430), (90, 243049), (102, 214455), (145, 150858), (153, 142970), (170, 128673), (174, 125715), (255, 85782), (261, 83810), (289, 75690), (290, 75429), (306, 71485), (435, 50286), (493, 44370), (510, 42891), (522, 41905), (578, 37845), (765, 28594), (841, 26010), (867, 25230), (870, 25143), (986, 22185), (1305, 16762), (1445, 15138), (1479, 14790), (1530, 14297), (1682, 13005), (1734, 12615), (2465, 8874), (2523, 8670), (2601, 8410), (2610, 8381), (2890, 7569), (2958, 7395), (4205, 5202), (4335, 5046), (4437, 4930)]