21136650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 55978560

約数和(自身を除く): 34841910

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 43, 50, 58, 75, 86, 87, 113, 129, 145, 150, 174, 215, 226, 258, 290, 339, 430, 435, 565, 645, 678, 725, 870, 1075, 1130, 1247, 1290, 1450, 1695, 2150, 2175, 2494, 2825, 3225, 3277, 3390, 3741, 4350, 4859, 5650, 6235, 6450, 6554, 7482, 8475, 9718, 9831, 12470, 14577, 16385, 16950, 18705, 19662, 24295, 29154, 31175, 32770, 37410, 48590, 49155, 62350, 72885, 81925, 93525, 98310, 121475, 140911, 145770, 163850, 187050, 242950, 245775, 281822, 364425, 422733, 491550, 704555, 728850, 845466, 1409110, 2113665, 3522775, 4227330, 7045550, 10568325, 21136650]

約数ペア:

[(1, 21136650), (2, 10568325), (3, 7045550), (5, 4227330), (6, 3522775), (10, 2113665), (15, 1409110), (25, 845466), (29, 728850), (30, 704555), (43, 491550), (50, 422733), (58, 364425), (75, 281822), (86, 245775), (87, 242950), (113, 187050), (129, 163850), (145, 145770), (150, 140911), (174, 121475), (215, 98310), (226, 93525), (258, 81925), (290, 72885), (339, 62350), (430, 49155), (435, 48590), (565, 37410), (645, 32770), (678, 31175), (725, 29154), (870, 24295), (1075, 19662), (1130, 18705), (1247, 16950), (1290, 16385), (1450, 14577), (1695, 12470), (2150, 9831), (2175, 9718), (2494, 8475), (2825, 7482), (3225, 6554), (3277, 6450), (3390, 6235), (3741, 5650), (4350, 4859)]