21579173640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{560207}}^1$

素因数の和:560331

約数の個数: 96

約数和(自身を含む): 70787882880

約数和(自身を除く): 49208709240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 360, 428, 535, 642, 856, 963, 1070, 1284, 1605, 1926, 2140, 2568, 3210, 3852, 4280, 4815, 6420, 7704, 9630, 12840, 19260, 38520, 560207, 1120414, 1680621, 2240828, 2801035, 3361242, 4481656, 5041863, 5602070, 6722484, 8403105, 10083726, 11204140, 13444968, 16806210, 20167452, 22408280, 25209315, 33612420, 40334904, 50418630, 59942149, 67224840, 100837260, 119884298, 179826447, 201674520, 239768596, 299710745, 359652894, 479537192, 539479341, 599421490, 719305788, 899132235, 1078958682, 1198842980, 1438611576, 1798264470, 2157917364, 2397685960, 2697396705, 3596528940, 4315834728, 5394793410, 7193057880, 10789586820, 21579173640]

約数ペア:

[(1, 21579173640), (2, 10789586820), (3, 7193057880), (4, 5394793410), (5, 4315834728), (6, 3596528940), (8, 2697396705), (9, 2397685960), (10, 2157917364), (12, 1798264470), (15, 1438611576), (18, 1198842980), (20, 1078958682), (24, 899132235), (30, 719305788), (36, 599421490), (40, 539479341), (45, 479537192), (60, 359652894), (72, 299710745), (90, 239768596), (107, 201674520), (120, 179826447), (180, 119884298), (214, 100837260), (321, 67224840), (360, 59942149), (428, 50418630), (535, 40334904), (642, 33612420), (856, 25209315), (963, 22408280), (1070, 20167452), (1284, 16806210), (1605, 13444968), (1926, 11204140), (2140, 10083726), (2568, 8403105), (3210, 6722484), (3852, 5602070), (4280, 5041863), (4815, 4481656), (6420, 3361242), (7704, 2801035), (9630, 2240828), (12840, 1680621), (19260, 1120414), (38520, 560207)]