21299040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2113}}^1$

素因数の和:2141

約数の個数: 144

約数和(自身を含む): 83105568

約数和(自身を除く): 61806528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2113, 2520, 3360, 4226, 5040, 6339, 8452, 10080, 10565, 12678, 14791, 16904, 19017, 21130, 25356, 29582, 31695, 33808, 38034, 42260, 44373, 50712, 59164, 63390, 67616, 73955, 76068, 84520, 88746, 95085, 101424, 118328, 126780, 133119, 147910, 152136, 169040, 177492, 190170, 202848, 221865, 236656, 253560, 266238, 295820, 304272, 338080, 354984, 380340, 443730, 473312, 507120, 532476, 591640, 608544, 665595, 709968, 760680, 887460, 1014240, 1064952, 1183280, 1331190, 1419936, 1521360, 1774920, 2129904, 2366560, 2662380, 3042720, 3549840, 4259808, 5324760, 7099680, 10649520, 21299040]

約数ペア:

[(1, 21299040), (2, 10649520), (3, 7099680), (4, 5324760), (5, 4259808), (6, 3549840), (7, 3042720), (8, 2662380), (9, 2366560), (10, 2129904), (12, 1774920), (14, 1521360), (15, 1419936), (16, 1331190), (18, 1183280), (20, 1064952), (21, 1014240), (24, 887460), (28, 760680), (30, 709968), (32, 665595), (35, 608544), (36, 591640), (40, 532476), (42, 507120), (45, 473312), (48, 443730), (56, 380340), (60, 354984), (63, 338080), (70, 304272), (72, 295820), (80, 266238), (84, 253560), (90, 236656), (96, 221865), (105, 202848), (112, 190170), (120, 177492), (126, 169040), (140, 152136), (144, 147910), (160, 133119), (168, 126780), (180, 118328), (210, 101424), (224, 95085), (240, 88746), (252, 84520), (280, 76068), (288, 73955), (315, 67616), (336, 63390), (360, 59164), (420, 50712), (480, 44373), (504, 42260), (560, 38034), (630, 33808), (672, 31695), (720, 29582), (840, 25356), (1008, 21130), (1120, 19017), (1260, 16904), (1440, 14791), (1680, 12678), (2016, 10565), (2113, 10080), (2520, 8452), (3360, 6339), (4226, 5040)]