21131215238

素因数分解:

$2^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1811}}^1\times {\mathrm{3169}}^1$

素因数の和:5252

約数の個数: 32

約数和(自身を含む): 36394237440

約数和(自身を除く): 15263022202

約数列:

[1, 2, 7, 14, 263, 526, 1811, 1841, 3169, 3622, 3682, 6338, 12677, 22183, 25354, 44366, 476293, 833447, 952586, 1666894, 3334051, 5739059, 5834129, 6668102, 11478118, 11668258, 40173413, 80346826, 1509372517, 3018745034, 10565607619, 21131215238]

約数ペア:

[(1, 21131215238), (2, 10565607619), (7, 3018745034), (14, 1509372517), (263, 80346826), (526, 40173413), (1811, 11668258), (1841, 11478118), (3169, 6668102), (3622, 5834129), (3682, 5739059), (6338, 3334051), (12677, 1666894), (22183, 952586), (25354, 833447), (44366, 476293)]