21284200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 59103360

約数和(自身を除く): 37819160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 92, 100, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 460, 575, 644, 661, 700, 805, 920, 1150, 1288, 1322, 1400, 1610, 2300, 2644, 3220, 3305, 4025, 4600, 4627, 5288, 6440, 6610, 8050, 9254, 13220, 15203, 16100, 16525, 18508, 23135, 26440, 30406, 32200, 33050, 37016, 46270, 60812, 66100, 76015, 92540, 106421, 115675, 121624, 132200, 152030, 185080, 212842, 231350, 304060, 380075, 425684, 462700, 532105, 608120, 760150, 851368, 925400, 1064210, 1520300, 2128420, 2660525, 3040600, 4256840, 5321050, 10642100, 21284200]

約数ペア:

[(1, 21284200), (2, 10642100), (4, 5321050), (5, 4256840), (7, 3040600), (8, 2660525), (10, 2128420), (14, 1520300), (20, 1064210), (23, 925400), (25, 851368), (28, 760150), (35, 608120), (40, 532105), (46, 462700), (50, 425684), (56, 380075), (70, 304060), (92, 231350), (100, 212842), (115, 185080), (140, 152030), (161, 132200), (175, 121624), (184, 115675), (200, 106421), (230, 92540), (280, 76015), (322, 66100), (350, 60812), (460, 46270), (575, 37016), (644, 33050), (661, 32200), (700, 30406), (805, 26440), (920, 23135), (1150, 18508), (1288, 16525), (1322, 16100), (1400, 15203), (1610, 13220), (2300, 9254), (2644, 8050), (3220, 6610), (3305, 6440), (4025, 5288), (4600, 4627)]