21161250

素因数分解:

$2^1\times 3^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 200

約数和(自身を含む): 68040720

約数和(自身を除く): 46879470

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 25, 27, 30, 33, 38, 45, 50, 54, 55, 57, 66, 75, 81, 90, 95, 99, 110, 114, 125, 135, 150, 162, 165, 171, 190, 198, 209, 225, 250, 270, 275, 285, 297, 330, 342, 375, 405, 418, 450, 475, 495, 513, 550, 570, 594, 625, 627, 675, 750, 810, 825, 855, 891, 950, 990, 1026, 1045, 1125, 1250, 1254, 1350, 1375, 1425, 1485, 1539, 1650, 1710, 1782, 1875, 1881, 2025, 2090, 2250, 2375, 2475, 2565, 2750, 2850, 2970, 3078, 3135, 3375, 3750, 3762, 4050, 4125, 4275, 4455, 4750, 4950, 5130, 5225, 5625, 5643, 6270, 6750, 6875, 7125, 7425, 7695, 8250, 8550, 8910, 9405, 10125, 10450, 11250, 11286, 11875, 12375, 12825, 13750, 14250, 14850, 15390, 15675, 16875, 16929, 18810, 20250, 20625, 21375, 22275, 23750, 24750, 25650, 26125, 28215, 31350, 33750, 33858, 35625, 37125, 38475, 41250, 42750, 44550, 47025, 50625, 52250, 56430, 61875, 64125, 71250, 74250, 76950, 78375, 84645, 94050, 101250, 106875, 111375, 123750, 128250, 130625, 141075, 156750, 169290, 185625, 192375, 213750, 222750, 235125, 261250, 282150, 320625, 371250, 384750, 391875, 423225, 470250, 556875, 641250, 705375, 783750, 846450, 961875, 1113750, 1175625, 1410750, 1923750, 2116125, 2351250, 3526875, 4232250, 7053750, 10580625, 21161250]

約数ペア:

[(1, 21161250), (2, 10580625), (3, 7053750), (5, 4232250), (6, 3526875), (9, 2351250), (10, 2116125), (11, 1923750), (15, 1410750), (18, 1175625), (19, 1113750), (22, 961875), (25, 846450), (27, 783750), (30, 705375), (33, 641250), (38, 556875), (45, 470250), (50, 423225), (54, 391875), (55, 384750), (57, 371250), (66, 320625), (75, 282150), (81, 261250), (90, 235125), (95, 222750), (99, 213750), (110, 192375), (114, 185625), (125, 169290), (135, 156750), (150, 141075), (162, 130625), (165, 128250), (171, 123750), (190, 111375), (198, 106875), (209, 101250), (225, 94050), (250, 84645), (270, 78375), (275, 76950), (285, 74250), (297, 71250), (330, 64125), (342, 61875), (375, 56430), (405, 52250), (418, 50625), (450, 47025), (475, 44550), (495, 42750), (513, 41250), (550, 38475), (570, 37125), (594, 35625), (625, 33858), (627, 33750), (675, 31350), (750, 28215), (810, 26125), (825, 25650), (855, 24750), (891, 23750), (950, 22275), (990, 21375), (1026, 20625), (1045, 20250), (1125, 18810), (1250, 16929), (1254, 16875), (1350, 15675), (1375, 15390), (1425, 14850), (1485, 14250), (1539, 13750), (1650, 12825), (1710, 12375), (1782, 11875), (1875, 11286), (1881, 11250), (2025, 10450), (2090, 10125), (2250, 9405), (2375, 8910), (2475, 8550), (2565, 8250), (2750, 7695), (2850, 7425), (2970, 7125), (3078, 6875), (3135, 6750), (3375, 6270), (3750, 5643), (3762, 5625), (4050, 5225), (4125, 5130), (4275, 4950), (4455, 4750)]