21856716

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 68302080

約数和(自身を除く): 46445364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 252, 276, 322, 324, 378, 414, 419, 483, 567, 621, 644, 756, 828, 838, 966, 1134, 1242, 1257, 1449, 1676, 1863, 1932, 2268, 2484, 2514, 2898, 2933, 3726, 3771, 4347, 5028, 5796, 5866, 7452, 7542, 8694, 8799, 9637, 11313, 11732, 13041, 15084, 17388, 17598, 19274, 22626, 26082, 26397, 28911, 33939, 35196, 38548, 45252, 52164, 52794, 57822, 67459, 67878, 79191, 86733, 105588, 115644, 134918, 135756, 158382, 173466, 202377, 237573, 260199, 269836, 316764, 346932, 404754, 475146, 520398, 607131, 780597, 809508, 950292, 1040796, 1214262, 1561194, 1821393, 2428524, 3122388, 3642786, 5464179, 7285572, 10928358, 21856716]

約数ペア:

[(1, 21856716), (2, 10928358), (3, 7285572), (4, 5464179), (6, 3642786), (7, 3122388), (9, 2428524), (12, 1821393), (14, 1561194), (18, 1214262), (21, 1040796), (23, 950292), (27, 809508), (28, 780597), (36, 607131), (42, 520398), (46, 475146), (54, 404754), (63, 346932), (69, 316764), (81, 269836), (84, 260199), (92, 237573), (108, 202377), (126, 173466), (138, 158382), (161, 135756), (162, 134918), (189, 115644), (207, 105588), (252, 86733), (276, 79191), (322, 67878), (324, 67459), (378, 57822), (414, 52794), (419, 52164), (483, 45252), (567, 38548), (621, 35196), (644, 33939), (756, 28911), (828, 26397), (838, 26082), (966, 22626), (1134, 19274), (1242, 17598), (1257, 17388), (1449, 15084), (1676, 13041), (1863, 11732), (1932, 11313), (2268, 9637), (2484, 8799), (2514, 8694), (2898, 7542), (2933, 7452), (3726, 5866), (3771, 5796), (4347, 5028)]