21895048

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 50371200

約数和(自身を除く): 28476152

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 109, 119, 136, 211, 218, 238, 422, 436, 476, 763, 844, 872, 952, 1477, 1526, 1688, 1853, 2954, 3052, 3587, 3706, 5908, 6104, 7174, 7412, 11816, 12971, 14348, 14824, 22999, 25109, 25942, 28696, 45998, 50218, 51884, 91996, 100436, 103768, 160993, 183992, 200872, 321986, 390983, 643972, 781966, 1287944, 1563932, 2736881, 3127864, 5473762, 10947524, 21895048]

約数ペア:

[(1, 21895048), (2, 10947524), (4, 5473762), (7, 3127864), (8, 2736881), (14, 1563932), (17, 1287944), (28, 781966), (34, 643972), (56, 390983), (68, 321986), (109, 200872), (119, 183992), (136, 160993), (211, 103768), (218, 100436), (238, 91996), (422, 51884), (436, 50218), (476, 45998), (763, 28696), (844, 25942), (872, 25109), (952, 22999), (1477, 14824), (1526, 14348), (1688, 12971), (1853, 11816), (2954, 7412), (3052, 7174), (3587, 6104), (3706, 5908)]