21443520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3191}}^1$

素因数の和:3218

約数の個数: 112

約数和(自身を含む): 77833728

約数和(自身を除く): 56390208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3191, 3360, 6382, 6720, 9573, 12764, 15955, 19146, 22337, 25528, 31910, 38292, 44674, 47865, 51056, 63820, 67011, 76584, 89348, 95730, 102112, 111685, 127640, 134022, 153168, 178696, 191460, 204224, 223370, 255280, 268044, 306336, 335055, 357392, 382920, 446740, 510560, 536088, 612672, 670110, 714784, 765840, 893480, 1021120, 1072176, 1340220, 1429568, 1531680, 1786960, 2144352, 2680440, 3063360, 3573920, 4288704, 5360880, 7147840, 10721760, 21443520]

約数ペア:

[(1, 21443520), (2, 10721760), (3, 7147840), (4, 5360880), (5, 4288704), (6, 3573920), (7, 3063360), (8, 2680440), (10, 2144352), (12, 1786960), (14, 1531680), (15, 1429568), (16, 1340220), (20, 1072176), (21, 1021120), (24, 893480), (28, 765840), (30, 714784), (32, 670110), (35, 612672), (40, 536088), (42, 510560), (48, 446740), (56, 382920), (60, 357392), (64, 335055), (70, 306336), (80, 268044), (84, 255280), (96, 223370), (105, 204224), (112, 191460), (120, 178696), (140, 153168), (160, 134022), (168, 127640), (192, 111685), (210, 102112), (224, 95730), (240, 89348), (280, 76584), (320, 67011), (336, 63820), (420, 51056), (448, 47865), (480, 44674), (560, 38292), (672, 31910), (840, 25528), (960, 22337), (1120, 19146), (1344, 15955), (1680, 12764), (2240, 9573), (3191, 6720), (3360, 6382)]