21288288

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 96

約数和(自身を含む): 64834560

約数和(自身を除く): 43546272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 79, 84, 96, 112, 158, 168, 224, 237, 316, 336, 401, 474, 553, 632, 672, 802, 948, 1106, 1203, 1264, 1604, 1659, 1896, 2212, 2406, 2528, 2807, 3208, 3318, 3792, 4424, 4812, 5614, 6416, 6636, 7584, 8421, 8848, 9624, 11228, 12832, 13272, 16842, 17696, 19248, 22456, 26544, 31679, 33684, 38496, 44912, 53088, 63358, 67368, 89824, 95037, 126716, 134736, 190074, 221753, 253432, 269472, 380148, 443506, 506864, 665259, 760296, 887012, 1013728, 1330518, 1520592, 1774024, 2661036, 3041184, 3548048, 5322072, 7096096, 10644144, 21288288]

約数ペア:

[(1, 21288288), (2, 10644144), (3, 7096096), (4, 5322072), (6, 3548048), (7, 3041184), (8, 2661036), (12, 1774024), (14, 1520592), (16, 1330518), (21, 1013728), (24, 887012), (28, 760296), (32, 665259), (42, 506864), (48, 443506), (56, 380148), (79, 269472), (84, 253432), (96, 221753), (112, 190074), (158, 134736), (168, 126716), (224, 95037), (237, 89824), (316, 67368), (336, 63358), (401, 53088), (474, 44912), (553, 38496), (632, 33684), (672, 31679), (802, 26544), (948, 22456), (1106, 19248), (1203, 17696), (1264, 16842), (1604, 13272), (1659, 12832), (1896, 11228), (2212, 9624), (2406, 8848), (2528, 8421), (2807, 7584), (3208, 6636), (3318, 6416), (3792, 5614), (4424, 4812)]