21826448

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 52020480

約数和(自身を除く): 30194032

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 37, 46, 56, 74, 92, 112, 148, 161, 184, 229, 259, 296, 322, 368, 458, 518, 592, 644, 851, 916, 1036, 1288, 1603, 1702, 1832, 2072, 2576, 3206, 3404, 3664, 4144, 5267, 5957, 6412, 6808, 8473, 10534, 11914, 12824, 13616, 16946, 21068, 23828, 25648, 33892, 36869, 42136, 47656, 59311, 67784, 73738, 84272, 95312, 118622, 135568, 147476, 194879, 237244, 294952, 389758, 474488, 589904, 779516, 948976, 1364153, 1559032, 2728306, 3118064, 5456612, 10913224, 21826448]

約数ペア:

[(1, 21826448), (2, 10913224), (4, 5456612), (7, 3118064), (8, 2728306), (14, 1559032), (16, 1364153), (23, 948976), (28, 779516), (37, 589904), (46, 474488), (56, 389758), (74, 294952), (92, 237244), (112, 194879), (148, 147476), (161, 135568), (184, 118622), (229, 95312), (259, 84272), (296, 73738), (322, 67784), (368, 59311), (458, 47656), (518, 42136), (592, 36869), (644, 33892), (851, 25648), (916, 23828), (1036, 21068), (1288, 16946), (1603, 13616), (1702, 12824), (1832, 11914), (2072, 10534), (2576, 8473), (3206, 6808), (3404, 6412), (3664, 5957), (4144, 5267)]