21177750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 61461504

約数和(自身を除く): 40283754

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 25, 30, 33, 34, 50, 51, 55, 66, 75, 85, 102, 110, 125, 150, 151, 165, 170, 187, 250, 255, 275, 302, 330, 374, 375, 425, 453, 510, 550, 561, 750, 755, 825, 850, 906, 935, 1122, 1275, 1375, 1510, 1650, 1661, 1870, 2125, 2265, 2550, 2567, 2750, 2805, 3322, 3775, 4125, 4250, 4530, 4675, 4983, 5134, 5610, 6375, 7550, 7701, 8250, 8305, 9350, 9966, 11325, 12750, 12835, 14025, 15402, 16610, 18875, 22650, 23375, 24915, 25670, 28050, 28237, 37750, 38505, 41525, 46750, 49830, 56474, 56625, 64175, 70125, 77010, 83050, 84711, 113250, 124575, 128350, 140250, 141185, 169422, 192525, 207625, 249150, 282370, 320875, 385050, 415250, 423555, 622875, 641750, 705925, 847110, 962625, 1245750, 1411850, 1925250, 2117775, 3529625, 4235550, 7059250, 10588875, 21177750]

約数ペア:

[(1, 21177750), (2, 10588875), (3, 7059250), (5, 4235550), (6, 3529625), (10, 2117775), (11, 1925250), (15, 1411850), (17, 1245750), (22, 962625), (25, 847110), (30, 705925), (33, 641750), (34, 622875), (50, 423555), (51, 415250), (55, 385050), (66, 320875), (75, 282370), (85, 249150), (102, 207625), (110, 192525), (125, 169422), (150, 141185), (151, 140250), (165, 128350), (170, 124575), (187, 113250), (250, 84711), (255, 83050), (275, 77010), (302, 70125), (330, 64175), (374, 56625), (375, 56474), (425, 49830), (453, 46750), (510, 41525), (550, 38505), (561, 37750), (750, 28237), (755, 28050), (825, 25670), (850, 24915), (906, 23375), (935, 22650), (1122, 18875), (1275, 16610), (1375, 15402), (1510, 14025), (1650, 12835), (1661, 12750), (1870, 11325), (2125, 9966), (2265, 9350), (2550, 8305), (2567, 8250), (2750, 7701), (2805, 7550), (3322, 6375), (3775, 5610), (4125, 5134), (4250, 4983), (4530, 4675)]