21445084920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1343677}}^1$

素因数の和:1343717

約数の個数: 128

約数和(自身を含む): 77395852800

約数和(自身を除く): 55950767880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 15960, 1343677, 2687354, 4031031, 5374708, 6718385, 8062062, 9405739, 10749416, 13436770, 16124124, 18811478, 20155155, 25529863, 26873540, 28217217, 32248248, 37622956, 40310310, 47028695, 51059726, 53747080, 56434434, 75245912, 76589589, 80620620, 94057390, 102119452, 112868868, 127649315, 141086085, 153179178, 161241240, 178709041, 188114780, 204238904, 225737736, 255298630, 282172170, 306358356, 357418082, 376229560, 382947945, 510597260, 536127123, 564344340, 612716712, 714836164, 765895890, 893545205, 1021194520, 1072254246, 1128688680, 1429672328, 1531791780, 1787090410, 2144508492, 2680635615, 3063583560, 3574180820, 4289016984, 5361271230, 7148361640, 10722542460, 21445084920]

約数ペア:

[(1, 21445084920), (2, 10722542460), (3, 7148361640), (4, 5361271230), (5, 4289016984), (6, 3574180820), (7, 3063583560), (8, 2680635615), (10, 2144508492), (12, 1787090410), (14, 1531791780), (15, 1429672328), (19, 1128688680), (20, 1072254246), (21, 1021194520), (24, 893545205), (28, 765895890), (30, 714836164), (35, 612716712), (38, 564344340), (40, 536127123), (42, 510597260), (56, 382947945), (57, 376229560), (60, 357418082), (70, 306358356), (76, 282172170), (84, 255298630), (95, 225737736), (105, 204238904), (114, 188114780), (120, 178709041), (133, 161241240), (140, 153179178), (152, 141086085), (168, 127649315), (190, 112868868), (210, 102119452), (228, 94057390), (266, 80620620), (280, 76589589), (285, 75245912), (380, 56434434), (399, 53747080), (420, 51059726), (456, 47028695), (532, 40310310), (570, 37622956), (665, 32248248), (760, 28217217), (798, 26873540), (840, 25529863), (1064, 20155155), (1140, 18811478), (1330, 16124124), (1596, 13436770), (1995, 10749416), (2280, 9405739), (2660, 8062062), (3192, 6718385), (3990, 5374708), (5320, 4031031), (7980, 2687354), (15960, 1343677)]