21790890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 47156310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 29, 30, 33, 45, 46, 54, 55, 58, 66, 69, 87, 90, 99, 110, 115, 121, 135, 138, 145, 165, 174, 198, 207, 230, 242, 253, 261, 270, 290, 297, 319, 330, 345, 363, 414, 435, 495, 506, 522, 594, 605, 621, 638, 667, 690, 726, 759, 783, 870, 957, 990, 1035, 1089, 1210, 1242, 1265, 1305, 1334, 1485, 1518, 1566, 1595, 1815, 1914, 2001, 2070, 2178, 2277, 2530, 2610, 2783, 2871, 2970, 3105, 3190, 3267, 3335, 3509, 3630, 3795, 3915, 4002, 4554, 4785, 5445, 5566, 5742, 6003, 6210, 6534, 6670, 6831, 7018, 7337, 7590, 7830, 8349, 8613, 9570, 10005, 10527, 10890, 11385, 12006, 13662, 13915, 14355, 14674, 16335, 16698, 17226, 17545, 18009, 20010, 21054, 22011, 22770, 25047, 27830, 28710, 30015, 31581, 32670, 34155, 35090, 36018, 36685, 41745, 43065, 44022, 50094, 52635, 60030, 63162, 66033, 68310, 73370, 75141, 80707, 83490, 86130, 90045, 94743, 105270, 110055, 125235, 132066, 150282, 157905, 161414, 180090, 189486, 198099, 220110, 242121, 250470, 315810, 330165, 375705, 396198, 403535, 473715, 484242, 660330, 726363, 751410, 807070, 947430, 990495, 1210605, 1452726, 1980990, 2179089, 2421210, 3631815, 4358178, 7263630, 10895445, 21790890]

約数ペア:

[(1, 21790890), (2, 10895445), (3, 7263630), (5, 4358178), (6, 3631815), (9, 2421210), (10, 2179089), (11, 1980990), (15, 1452726), (18, 1210605), (22, 990495), (23, 947430), (27, 807070), (29, 751410), (30, 726363), (33, 660330), (45, 484242), (46, 473715), (54, 403535), (55, 396198), (58, 375705), (66, 330165), (69, 315810), (87, 250470), (90, 242121), (99, 220110), (110, 198099), (115, 189486), (121, 180090), (135, 161414), (138, 157905), (145, 150282), (165, 132066), (174, 125235), (198, 110055), (207, 105270), (230, 94743), (242, 90045), (253, 86130), (261, 83490), (270, 80707), (290, 75141), (297, 73370), (319, 68310), (330, 66033), (345, 63162), (363, 60030), (414, 52635), (435, 50094), (495, 44022), (506, 43065), (522, 41745), (594, 36685), (605, 36018), (621, 35090), (638, 34155), (667, 32670), (690, 31581), (726, 30015), (759, 28710), (783, 27830), (870, 25047), (957, 22770), (990, 22011), (1035, 21054), (1089, 20010), (1210, 18009), (1242, 17545), (1265, 17226), (1305, 16698), (1334, 16335), (1485, 14674), (1518, 14355), (1566, 13915), (1595, 13662), (1815, 12006), (1914, 11385), (2001, 10890), (2070, 10527), (2178, 10005), (2277, 9570), (2530, 8613), (2610, 8349), (2783, 7830), (2871, 7590), (2970, 7337), (3105, 7018), (3190, 6831), (3267, 6670), (3335, 6534), (3509, 6210), (3630, 6003), (3795, 5742), (3915, 5566), (4002, 5445), (4554, 4785)]