21036047680

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1240333}}^1$

素因数の和:1240403

約数の個数: 56

約数和(自身を含む): 51037263432

約数和(自身を除く): 30001215752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1696, 2120, 3392, 4240, 8480, 16960, 1240333, 2480666, 4961332, 6201665, 9922664, 12403330, 19845328, 24806660, 39690656, 49613320, 65737649, 79381312, 99226640, 131475298, 198453280, 262950596, 328688245, 396906560, 525901192, 657376490, 1051802384, 1314752980, 2103604768, 2629505960, 4207209536, 5259011920, 10518023840, 21036047680]

約数ペア:

[(1, 21036047680), (2, 10518023840), (4, 5259011920), (5, 4207209536), (8, 2629505960), (10, 2103604768), (16, 1314752980), (20, 1051802384), (32, 657376490), (40, 525901192), (53, 396906560), (64, 328688245), (80, 262950596), (106, 198453280), (160, 131475298), (212, 99226640), (265, 79381312), (320, 65737649), (424, 49613320), (530, 39690656), (848, 24806660), (1060, 19845328), (1696, 12403330), (2120, 9922664), (3392, 6201665), (4240, 4961332), (8480, 2480666), (16960, 1240333)]