21022290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 57620160

約数和(自身を除く): 36597870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 59, 74, 90, 107, 111, 118, 177, 185, 214, 222, 295, 321, 333, 354, 370, 531, 535, 555, 590, 642, 666, 885, 963, 1062, 1070, 1110, 1605, 1665, 1770, 1926, 2183, 2655, 3210, 3330, 3959, 4366, 4815, 5310, 6313, 6549, 7918, 9630, 10915, 11877, 12626, 13098, 18939, 19647, 19795, 21830, 23754, 31565, 32745, 35631, 37878, 39294, 39590, 56817, 59385, 63130, 65490, 71262, 94695, 98235, 113634, 118770, 178155, 189390, 196470, 233581, 284085, 356310, 467162, 568170, 700743, 1167905, 1401486, 2102229, 2335810, 3503715, 4204458, 7007430, 10511145, 21022290]

約数ペア:

[(1, 21022290), (2, 10511145), (3, 7007430), (5, 4204458), (6, 3503715), (9, 2335810), (10, 2102229), (15, 1401486), (18, 1167905), (30, 700743), (37, 568170), (45, 467162), (59, 356310), (74, 284085), (90, 233581), (107, 196470), (111, 189390), (118, 178155), (177, 118770), (185, 113634), (214, 98235), (222, 94695), (295, 71262), (321, 65490), (333, 63130), (354, 59385), (370, 56817), (531, 39590), (535, 39294), (555, 37878), (590, 35631), (642, 32745), (666, 31565), (885, 23754), (963, 21830), (1062, 19795), (1070, 19647), (1110, 18939), (1605, 13098), (1665, 12626), (1770, 11877), (1926, 10915), (2183, 9630), (2655, 7918), (3210, 6549), (3330, 6313), (3959, 5310), (4366, 4815)]