21371550

素因数分解:

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

素因数の和:95

約数の個数: 96

約数和(自身を含む): 58255200

約数和(自身を除く): 36883650

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 29, 30, 34, 50, 51, 58, 75, 85, 87, 102, 145, 150, 170, 174, 255, 289, 290, 425, 435, 493, 510, 578, 725, 850, 867, 870, 986, 1275, 1445, 1450, 1479, 1734, 2175, 2465, 2550, 2890, 2958, 4335, 4350, 4913, 4930, 7225, 7395, 8381, 8670, 9826, 12325, 14450, 14739, 14790, 16762, 21675, 24565, 24650, 25143, 29478, 36975, 41905, 43350, 49130, 50286, 73695, 73950, 83810, 122825, 125715, 142477, 147390, 209525, 245650, 251430, 284954, 368475, 419050, 427431, 628575, 712385, 736950, 854862, 1257150, 1424770, 2137155, 3561925, 4274310, 7123850, 10685775, 21371550]

約数ペア:

[(1, 21371550), (2, 10685775), (3, 7123850), (5, 4274310), (6, 3561925), (10, 2137155), (15, 1424770), (17, 1257150), (25, 854862), (29, 736950), (30, 712385), (34, 628575), (50, 427431), (51, 419050), (58, 368475), (75, 284954), (85, 251430), (87, 245650), (102, 209525), (145, 147390), (150, 142477), (170, 125715), (174, 122825), (255, 83810), (289, 73950), (290, 73695), (425, 50286), (435, 49130), (493, 43350), (510, 41905), (578, 36975), (725, 29478), (850, 25143), (867, 24650), (870, 24565), (986, 21675), (1275, 16762), (1445, 14790), (1450, 14739), (1479, 14450), (1734, 12325), (2175, 9826), (2465, 8670), (2550, 8381), (2890, 7395), (2958, 7225), (4335, 4930), (4350, 4913)]