21618240

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3217}}^1$

素因数の和:3244

約数の個数: 112

約数和(自身を含む): 78467712

約数和(自身を除く): 56849472

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3217, 3360, 6434, 6720, 9651, 12868, 16085, 19302, 22519, 25736, 32170, 38604, 45038, 48255, 51472, 64340, 67557, 77208, 90076, 96510, 102944, 112595, 128680, 135114, 154416, 180152, 193020, 205888, 225190, 257360, 270228, 308832, 337785, 360304, 386040, 450380, 514720, 540456, 617664, 675570, 720608, 772080, 900760, 1029440, 1080912, 1351140, 1441216, 1544160, 1801520, 2161824, 2702280, 3088320, 3603040, 4323648, 5404560, 7206080, 10809120, 21618240]

約数ペア:

[(1, 21618240), (2, 10809120), (3, 7206080), (4, 5404560), (5, 4323648), (6, 3603040), (7, 3088320), (8, 2702280), (10, 2161824), (12, 1801520), (14, 1544160), (15, 1441216), (16, 1351140), (20, 1080912), (21, 1029440), (24, 900760), (28, 772080), (30, 720608), (32, 675570), (35, 617664), (40, 540456), (42, 514720), (48, 450380), (56, 386040), (60, 360304), (64, 337785), (70, 308832), (80, 270228), (84, 257360), (96, 225190), (105, 205888), (112, 193020), (120, 180152), (140, 154416), (160, 135114), (168, 128680), (192, 112595), (210, 102944), (224, 96510), (240, 90076), (280, 77208), (320, 67557), (336, 64340), (420, 51472), (448, 48255), (480, 45038), (560, 38604), (672, 32170), (840, 25736), (960, 22519), (1120, 19302), (1344, 16085), (1680, 12868), (2240, 9651), (3217, 6720), (3360, 6434)]