21819008

素因数分解:

$2^7\times {\mathrm{373}}^1\times {\mathrm{457}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 43679460

約数和(自身を除く): 21860452

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 373, 457, 746, 914, 1492, 1828, 2984, 3656, 5968, 7312, 11936, 14624, 23872, 29248, 47744, 58496, 170461, 340922, 681844, 1363688, 2727376, 5454752, 10909504, 21819008]

約数ペア:

[(1, 21819008), (2, 10909504), (4, 5454752), (8, 2727376), (16, 1363688), (32, 681844), (64, 340922), (128, 170461), (373, 58496), (457, 47744), (746, 29248), (914, 23872), (1492, 14624), (1828, 11936), (2984, 7312), (3656, 5968)]