21053088

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{59}}^2$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 71386560

約数和(自身を除く): 50333472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 59, 63, 72, 84, 96, 108, 112, 118, 126, 144, 168, 177, 189, 216, 224, 236, 252, 288, 336, 354, 378, 413, 432, 472, 504, 531, 672, 708, 756, 826, 864, 944, 1008, 1062, 1239, 1416, 1512, 1593, 1652, 1888, 2016, 2124, 2478, 2832, 3024, 3186, 3304, 3481, 3717, 4248, 4956, 5664, 6048, 6372, 6608, 6962, 7434, 8496, 9912, 10443, 11151, 12744, 13216, 13924, 14868, 16992, 19824, 20886, 22302, 24367, 25488, 27848, 29736, 31329, 39648, 41772, 44604, 48734, 50976, 55696, 59472, 62658, 73101, 83544, 89208, 93987, 97468, 111392, 118944, 125316, 146202, 167088, 178416, 187974, 194936, 219303, 250632, 292404, 334176, 356832, 375948, 389872, 438606, 501264, 584808, 657909, 751896, 779744, 877212, 1002528, 1169616, 1315818, 1503792, 1754424, 2339232, 2631636, 3007584, 3508848, 5263272, 7017696, 10526544, 21053088]

約数ペア:

[(1, 21053088), (2, 10526544), (3, 7017696), (4, 5263272), (6, 3508848), (7, 3007584), (8, 2631636), (9, 2339232), (12, 1754424), (14, 1503792), (16, 1315818), (18, 1169616), (21, 1002528), (24, 877212), (27, 779744), (28, 751896), (32, 657909), (36, 584808), (42, 501264), (48, 438606), (54, 389872), (56, 375948), (59, 356832), (63, 334176), (72, 292404), (84, 250632), (96, 219303), (108, 194936), (112, 187974), (118, 178416), (126, 167088), (144, 146202), (168, 125316), (177, 118944), (189, 111392), (216, 97468), (224, 93987), (236, 89208), (252, 83544), (288, 73101), (336, 62658), (354, 59472), (378, 55696), (413, 50976), (432, 48734), (472, 44604), (504, 41772), (531, 39648), (672, 31329), (708, 29736), (756, 27848), (826, 25488), (864, 24367), (944, 22302), (1008, 20886), (1062, 19824), (1239, 16992), (1416, 14868), (1512, 13924), (1593, 13216), (1652, 12744), (1888, 11151), (2016, 10443), (2124, 9912), (2478, 8496), (2832, 7434), (3024, 6962), (3186, 6608), (3304, 6372), (3481, 6048), (3717, 5664), (4248, 4956)]