21966840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:426

約数の個数: 192

約数和(自身を含む): 85363200

約数和(自身を除く): 63396360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 115, 120, 126, 138, 140, 161, 168, 180, 184, 207, 210, 230, 252, 276, 280, 315, 322, 345, 360, 379, 414, 420, 460, 483, 504, 552, 630, 644, 690, 758, 805, 828, 840, 920, 966, 1035, 1137, 1260, 1288, 1380, 1449, 1516, 1610, 1656, 1895, 1932, 2070, 2274, 2415, 2520, 2653, 2760, 2898, 3032, 3220, 3411, 3790, 3864, 4140, 4548, 4830, 5306, 5685, 5796, 6440, 6822, 7245, 7580, 7959, 8280, 8717, 9096, 9660, 10612, 11370, 11592, 13265, 13644, 14490, 15160, 15918, 17055, 17434, 19320, 21224, 22740, 23877, 26151, 26530, 27288, 28980, 31836, 34110, 34868, 39795, 43585, 45480, 47754, 52302, 53060, 57960, 61019, 63672, 68220, 69736, 78453, 79590, 87170, 95508, 104604, 106120, 119385, 122038, 130755, 136440, 156906, 159180, 174340, 183057, 191016, 209208, 238770, 244076, 261510, 305095, 313812, 318360, 348680, 366114, 392265, 477540, 488152, 523020, 549171, 610190, 627624, 732228, 784530, 915285, 955080, 1046040, 1098342, 1220380, 1464456, 1569060, 1830570, 2196684, 2440760, 2745855, 3138120, 3661140, 4393368, 5491710, 7322280, 10983420, 21966840]

約数ペア:

[(1, 21966840), (2, 10983420), (3, 7322280), (4, 5491710), (5, 4393368), (6, 3661140), (7, 3138120), (8, 2745855), (9, 2440760), (10, 2196684), (12, 1830570), (14, 1569060), (15, 1464456), (18, 1220380), (20, 1098342), (21, 1046040), (23, 955080), (24, 915285), (28, 784530), (30, 732228), (35, 627624), (36, 610190), (40, 549171), (42, 523020), (45, 488152), (46, 477540), (56, 392265), (60, 366114), (63, 348680), (69, 318360), (70, 313812), (72, 305095), (84, 261510), (90, 244076), (92, 238770), (105, 209208), (115, 191016), (120, 183057), (126, 174340), (138, 159180), (140, 156906), (161, 136440), (168, 130755), (180, 122038), (184, 119385), (207, 106120), (210, 104604), (230, 95508), (252, 87170), (276, 79590), (280, 78453), (315, 69736), (322, 68220), (345, 63672), (360, 61019), (379, 57960), (414, 53060), (420, 52302), (460, 47754), (483, 45480), (504, 43585), (552, 39795), (630, 34868), (644, 34110), (690, 31836), (758, 28980), (805, 27288), (828, 26530), (840, 26151), (920, 23877), (966, 22740), (1035, 21224), (1137, 19320), (1260, 17434), (1288, 17055), (1380, 15918), (1449, 15160), (1516, 14490), (1610, 13644), (1656, 13265), (1895, 11592), (1932, 11370), (2070, 10612), (2274, 9660), (2415, 9096), (2520, 8717), (2653, 8280), (2760, 7959), (2898, 7580), (3032, 7245), (3220, 6822), (3411, 6440), (3790, 5796), (3864, 5685), (4140, 5306), (4548, 4830)]