21627540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:371

約数の個数: 144

約数和(自身を含む): 74182080

約数和(自身を除く): 52554540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 331, 363, 396, 484, 495, 540, 594, 605, 660, 662, 726, 990, 993, 1089, 1188, 1210, 1324, 1452, 1485, 1655, 1815, 1980, 1986, 2178, 2420, 2970, 2979, 3267, 3310, 3630, 3641, 3972, 4356, 4965, 5445, 5940, 5958, 6534, 6620, 7260, 7282, 8937, 9930, 10890, 10923, 11916, 13068, 14564, 14895, 16335, 17874, 18205, 19860, 21780, 21846, 29790, 32670, 32769, 35748, 36410, 40051, 43692, 44685, 54615, 59580, 65340, 65538, 72820, 80102, 89370, 98307, 109230, 120153, 131076, 160204, 163845, 178740, 196614, 200255, 218460, 240306, 327690, 360459, 393228, 400510, 480612, 491535, 600765, 655380, 720918, 801020, 983070, 1081377, 1201530, 1441836, 1802295, 1966140, 2162754, 2403060, 3604590, 4325508, 5406885, 7209180, 10813770, 21627540]

約数ペア:

[(1, 21627540), (2, 10813770), (3, 7209180), (4, 5406885), (5, 4325508), (6, 3604590), (9, 2403060), (10, 2162754), (11, 1966140), (12, 1802295), (15, 1441836), (18, 1201530), (20, 1081377), (22, 983070), (27, 801020), (30, 720918), (33, 655380), (36, 600765), (44, 491535), (45, 480612), (54, 400510), (55, 393228), (60, 360459), (66, 327690), (90, 240306), (99, 218460), (108, 200255), (110, 196614), (121, 178740), (132, 163845), (135, 160204), (165, 131076), (180, 120153), (198, 109230), (220, 98307), (242, 89370), (270, 80102), (297, 72820), (330, 65538), (331, 65340), (363, 59580), (396, 54615), (484, 44685), (495, 43692), (540, 40051), (594, 36410), (605, 35748), (660, 32769), (662, 32670), (726, 29790), (990, 21846), (993, 21780), (1089, 19860), (1188, 18205), (1210, 17874), (1324, 16335), (1452, 14895), (1485, 14564), (1655, 13068), (1815, 11916), (1980, 10923), (1986, 10890), (2178, 9930), (2420, 8937), (2970, 7282), (2979, 7260), (3267, 6620), (3310, 6534), (3630, 5958), (3641, 5940), (3972, 5445), (4356, 4965)]