21501180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1420

約数の個数: 96

約数和(自身を含む): 69249600

約数和(自身を除く): 47748420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1373, 1566, 1740, 2610, 2746, 3132, 3915, 4119, 5220, 5492, 6865, 7830, 8238, 12357, 13730, 15660, 16476, 20595, 24714, 27460, 37071, 39817, 41190, 49428, 61785, 74142, 79634, 82380, 119451, 123570, 148284, 159268, 185355, 199085, 238902, 247140, 358353, 370710, 398170, 477804, 597255, 716706, 741420, 796340, 1075059, 1194510, 1433412, 1791765, 2150118, 2389020, 3583530, 4300236, 5375295, 7167060, 10750590, 21501180]

約数ペア:

[(1, 21501180), (2, 10750590), (3, 7167060), (4, 5375295), (5, 4300236), (6, 3583530), (9, 2389020), (10, 2150118), (12, 1791765), (15, 1433412), (18, 1194510), (20, 1075059), (27, 796340), (29, 741420), (30, 716706), (36, 597255), (45, 477804), (54, 398170), (58, 370710), (60, 358353), (87, 247140), (90, 238902), (108, 199085), (116, 185355), (135, 159268), (145, 148284), (174, 123570), (180, 119451), (261, 82380), (270, 79634), (290, 74142), (348, 61785), (435, 49428), (522, 41190), (540, 39817), (580, 37071), (783, 27460), (870, 24714), (1044, 20595), (1305, 16476), (1373, 15660), (1566, 13730), (1740, 12357), (2610, 8238), (2746, 7830), (3132, 6865), (3915, 5492), (4119, 5220)]