21919456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52691}}^1$

素因数の和:52714

約数の個数: 24

約数和(自身を含む): 46474344

約数和(自身を除く): 24554888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52691, 105382, 210764, 421528, 684983, 843056, 1369966, 1686112, 2739932, 5479864, 10959728, 21919456]

約数ペア:

[(1, 21919456), (2, 10959728), (4, 5479864), (8, 2739932), (13, 1686112), (16, 1369966), (26, 843056), (32, 684983), (52, 421528), (104, 210764), (208, 105382), (416, 52691)]