21294120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 66474720

約数和(自身を除く): 45180600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 211, 232, 290, 348, 422, 435, 580, 633, 696, 841, 844, 870, 1055, 1160, 1266, 1682, 1688, 1740, 2110, 2523, 2532, 3165, 3364, 3480, 4205, 4220, 5046, 5064, 6119, 6330, 6728, 8410, 8440, 10092, 12238, 12615, 12660, 16820, 18357, 20184, 24476, 25230, 25320, 30595, 33640, 36714, 48952, 50460, 61190, 73428, 91785, 100920, 122380, 146856, 177451, 183570, 244760, 354902, 367140, 532353, 709804, 734280, 887255, 1064706, 1419608, 1774510, 2129412, 2661765, 3549020, 4258824, 5323530, 7098040, 10647060, 21294120]

約数ペア:

[(1, 21294120), (2, 10647060), (3, 7098040), (4, 5323530), (5, 4258824), (6, 3549020), (8, 2661765), (10, 2129412), (12, 1774510), (15, 1419608), (20, 1064706), (24, 887255), (29, 734280), (30, 709804), (40, 532353), (58, 367140), (60, 354902), (87, 244760), (116, 183570), (120, 177451), (145, 146856), (174, 122380), (211, 100920), (232, 91785), (290, 73428), (348, 61190), (422, 50460), (435, 48952), (580, 36714), (633, 33640), (696, 30595), (841, 25320), (844, 25230), (870, 24476), (1055, 20184), (1160, 18357), (1266, 16820), (1682, 12660), (1688, 12615), (1740, 12238), (2110, 10092), (2523, 8440), (2532, 8410), (3165, 6728), (3364, 6330), (3480, 6119), (4205, 5064), (4220, 5046)]