2100021075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8053}}^1$

素因数の和:8149

約数の個数: 72

約数和(自身を含む): 4024744880

約数和(自身を除く): 1924723805

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 61, 75, 95, 171, 183, 225, 285, 305, 475, 549, 855, 915, 1159, 1425, 1525, 2745, 3477, 4275, 4575, 5795, 8053, 10431, 13725, 17385, 24159, 28975, 40265, 52155, 72477, 86925, 120795, 153007, 201325, 260775, 362385, 459021, 491233, 603975, 765035, 1377063, 1473699, 1811925, 2295105, 2456165, 3825175, 4421097, 6885315, 7368495, 9333427, 11475525, 12280825, 22105485, 28000281, 34426575, 36842475, 46667135, 84000843, 110527425, 140001405, 233335675, 420004215, 700007025, 2100021075]

約数ペア:

[(1, 2100021075), (3, 700007025), (5, 420004215), (9, 233335675), (15, 140001405), (19, 110527425), (25, 84000843), (45, 46667135), (57, 36842475), (61, 34426575), (75, 28000281), (95, 22105485), (171, 12280825), (183, 11475525), (225, 9333427), (285, 7368495), (305, 6885315), (475, 4421097), (549, 3825175), (855, 2456165), (915, 2295105), (1159, 1811925), (1425, 1473699), (1525, 1377063), (2745, 765035), (3477, 603975), (4275, 491233), (4575, 459021), (5795, 362385), (8053, 260775), (10431, 201325), (13725, 153007), (17385, 120795), (24159, 86925), (28975, 72477), (40265, 52155)]