21194347252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{150901}}^1$

素因数の和:151028

約数の個数: 48

約数和(自身を含む): 41584969552

約数和(自身を除く): 20390622300

約数列:

[1, 2, 4, 13, 26, 37, 52, 73, 74, 146, 148, 292, 481, 949, 962, 1898, 1924, 2701, 3796, 5402, 10804, 35113, 70226, 140452, 150901, 301802, 603604, 1961713, 3923426, 5583337, 7846852, 11015773, 11166674, 22031546, 22333348, 44063092, 72583381, 143205049, 145166762, 286410098, 290333524, 407583601, 572820196, 815167202, 1630334404, 5298586813, 10597173626, 21194347252]

約数ペア:

[(1, 21194347252), (2, 10597173626), (4, 5298586813), (13, 1630334404), (26, 815167202), (37, 572820196), (52, 407583601), (73, 290333524), (74, 286410098), (146, 145166762), (148, 143205049), (292, 72583381), (481, 44063092), (949, 22333348), (962, 22031546), (1898, 11166674), (1924, 11015773), (2701, 7846852), (3796, 5583337), (5402, 3923426), (10804, 1961713), (35113, 603604), (70226, 301802), (140452, 150901)]