21458250

素因数分解:

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

素因数の和:71

約数の個数: 192

約数和(自身を含む): 68964480

約数和(自身を除く): 47506230

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 25, 27, 30, 33, 34, 45, 50, 51, 54, 55, 66, 75, 85, 90, 99, 102, 110, 125, 135, 150, 153, 165, 170, 187, 198, 225, 250, 255, 270, 275, 289, 297, 306, 330, 374, 375, 425, 450, 459, 495, 510, 550, 561, 578, 594, 675, 750, 765, 825, 850, 867, 918, 935, 990, 1122, 1125, 1275, 1350, 1375, 1445, 1485, 1530, 1650, 1683, 1734, 1870, 2125, 2250, 2295, 2475, 2550, 2601, 2750, 2805, 2890, 2970, 3179, 3366, 3375, 3825, 4125, 4250, 4335, 4590, 4675, 4950, 5049, 5202, 5610, 6358, 6375, 6750, 7225, 7425, 7650, 7803, 8250, 8415, 8670, 9350, 9537, 10098, 11475, 12375, 12750, 13005, 14025, 14450, 14850, 15606, 15895, 16830, 19074, 19125, 21675, 22950, 23375, 24750, 25245, 26010, 28050, 28611, 31790, 36125, 37125, 38250, 39015, 42075, 43350, 46750, 47685, 50490, 57222, 57375, 65025, 70125, 72250, 74250, 78030, 79475, 84150, 85833, 95370, 108375, 114750, 126225, 130050, 140250, 143055, 158950, 171666, 195075, 210375, 216750, 238425, 252450, 286110, 325125, 390150, 397375, 420750, 429165, 476850, 631125, 650250, 715275, 794750, 858330, 975375, 1192125, 1262250, 1430550, 1950750, 2145825, 2384250, 3576375, 4291650, 7152750, 10729125, 21458250]

約数ペア:

[(1, 21458250), (2, 10729125), (3, 7152750), (5, 4291650), (6, 3576375), (9, 2384250), (10, 2145825), (11, 1950750), (15, 1430550), (17, 1262250), (18, 1192125), (22, 975375), (25, 858330), (27, 794750), (30, 715275), (33, 650250), (34, 631125), (45, 476850), (50, 429165), (51, 420750), (54, 397375), (55, 390150), (66, 325125), (75, 286110), (85, 252450), (90, 238425), (99, 216750), (102, 210375), (110, 195075), (125, 171666), (135, 158950), (150, 143055), (153, 140250), (165, 130050), (170, 126225), (187, 114750), (198, 108375), (225, 95370), (250, 85833), (255, 84150), (270, 79475), (275, 78030), (289, 74250), (297, 72250), (306, 70125), (330, 65025), (374, 57375), (375, 57222), (425, 50490), (450, 47685), (459, 46750), (495, 43350), (510, 42075), (550, 39015), (561, 38250), (578, 37125), (594, 36125), (675, 31790), (750, 28611), (765, 28050), (825, 26010), (850, 25245), (867, 24750), (918, 23375), (935, 22950), (990, 21675), (1122, 19125), (1125, 19074), (1275, 16830), (1350, 15895), (1375, 15606), (1445, 14850), (1485, 14450), (1530, 14025), (1650, 13005), (1683, 12750), (1734, 12375), (1870, 11475), (2125, 10098), (2250, 9537), (2295, 9350), (2475, 8670), (2550, 8415), (2601, 8250), (2750, 7803), (2805, 7650), (2890, 7425), (2970, 7225), (3179, 6750), (3366, 6375), (3375, 6358), (3825, 5610), (4125, 5202), (4250, 5049), (4335, 4950), (4590, 4675)]