21748384

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 27845216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1106, 1229, 1264, 2212, 2458, 2528, 4424, 4916, 8603, 8848, 9832, 17206, 17696, 19664, 34412, 39328, 68824, 97091, 137648, 194182, 275296, 388364, 679637, 776728, 1359274, 1553456, 2718548, 3106912, 5437096, 10874192, 21748384]

約数ペア:

[(1, 21748384), (2, 10874192), (4, 5437096), (7, 3106912), (8, 2718548), (14, 1553456), (16, 1359274), (28, 776728), (32, 679637), (56, 388364), (79, 275296), (112, 194182), (158, 137648), (224, 97091), (316, 68824), (553, 39328), (632, 34412), (1106, 19664), (1229, 17696), (1264, 17206), (2212, 9832), (2458, 8848), (2528, 8603), (4424, 4916)]