21255360

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3163}}^1$

素因数の和:3190

約数の個数: 112

約数和(自身を含む): 77150976

約数和(自身を除く): 55895616

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, 3163, 3360, 6326, 6720, 9489, 12652, 15815, 18978, 22141, 25304, 31630, 37956, 44282, 47445, 50608, 63260, 66423, 75912, 88564, 94890, 101216, 110705, 126520, 132846, 151824, 177128, 189780, 202432, 221410, 253040, 265692, 303648, 332115, 354256, 379560, 442820, 506080, 531384, 607296, 664230, 708512, 759120, 885640, 1012160, 1062768, 1328460, 1417024, 1518240, 1771280, 2125536, 2656920, 3036480, 3542560, 4251072, 5313840, 7085120, 10627680, 21255360]

約数ペア:

[(1, 21255360), (2, 10627680), (3, 7085120), (4, 5313840), (5, 4251072), (6, 3542560), (7, 3036480), (8, 2656920), (10, 2125536), (12, 1771280), (14, 1518240), (15, 1417024), (16, 1328460), (20, 1062768), (21, 1012160), (24, 885640), (28, 759120), (30, 708512), (32, 664230), (35, 607296), (40, 531384), (42, 506080), (48, 442820), (56, 379560), (60, 354256), (64, 332115), (70, 303648), (80, 265692), (84, 253040), (96, 221410), (105, 202432), (112, 189780), (120, 177128), (140, 151824), (160, 132846), (168, 126520), (192, 110705), (210, 101216), (224, 94890), (240, 88564), (280, 75912), (320, 66423), (336, 63260), (420, 50608), (448, 47445), (480, 44282), (560, 37956), (672, 31630), (840, 25304), (960, 22141), (1120, 18978), (1344, 15815), (1680, 12652), (2240, 9489), (3163, 6720), (3360, 6326)]