21037515250

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1587737}}^1$

素因数の和:1587807

約数の個数: 32

約数和(自身を含む): 40125314736

約数和(自身を除く): 19087799486

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 2650, 6625, 13250, 1587737, 3175474, 7938685, 15877370, 39693425, 79386850, 84150061, 168300122, 198467125, 396934250, 420750305, 841500610, 2103751525, 4207503050, 10518757625, 21037515250]

約数ペア:

[(1, 21037515250), (2, 10518757625), (5, 4207503050), (10, 2103751525), (25, 841500610), (50, 420750305), (53, 396934250), (106, 198467125), (125, 168300122), (250, 84150061), (265, 79386850), (530, 39693425), (1325, 15877370), (2650, 7938685), (6625, 3175474), (13250, 1587737)]