21463680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{1597}}^1$

素因数の和:1626

約数の個数: 128

約数和(自身を含む): 78238080

約数和(自身を除く): 56774400

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, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1597, 1680, 1920, 2240, 2688, 3194, 3360, 4480, 4791, 6388, 6720, 7985, 9582, 11179, 12776, 13440, 15970, 19164, 22358, 23955, 25552, 31940, 33537, 38328, 44716, 47910, 51104, 55895, 63880, 67074, 76656, 89432, 95820, 102208, 111790, 127760, 134148, 153312, 167685, 178864, 191640, 204416, 223580, 255520, 268296, 306624, 335370, 357728, 383280, 447160, 511040, 536592, 613248, 670740, 715456, 766560, 894320, 1022080, 1073184, 1341480, 1430912, 1533120, 1788640, 2146368, 2682960, 3066240, 3577280, 4292736, 5365920, 7154560, 10731840, 21463680]

約数ペア:

[(1, 21463680), (2, 10731840), (3, 7154560), (4, 5365920), (5, 4292736), (6, 3577280), (7, 3066240), (8, 2682960), (10, 2146368), (12, 1788640), (14, 1533120), (15, 1430912), (16, 1341480), (20, 1073184), (21, 1022080), (24, 894320), (28, 766560), (30, 715456), (32, 670740), (35, 613248), (40, 536592), (42, 511040), (48, 447160), (56, 383280), (60, 357728), (64, 335370), (70, 306624), (80, 268296), (84, 255520), (96, 223580), (105, 204416), (112, 191640), (120, 178864), (128, 167685), (140, 153312), (160, 134148), (168, 127760), (192, 111790), (210, 102208), (224, 95820), (240, 89432), (280, 76656), (320, 67074), (336, 63880), (384, 55895), (420, 51104), (448, 47910), (480, 44716), (560, 38328), (640, 33537), (672, 31940), (840, 25552), (896, 23955), (960, 22358), (1120, 19164), (1344, 15970), (1597, 13440), (1680, 12776), (1920, 11179), (2240, 9582), (2688, 7985), (3194, 6720), (3360, 6388), (4480, 4791)]