21399048

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:723

約数の個数: 96

約数和(自身を含む): 64864800

約数和(自身を除く): 43465752

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 41, 44, 66, 72, 82, 88, 99, 123, 132, 164, 198, 246, 264, 328, 369, 396, 451, 492, 659, 738, 792, 902, 984, 1318, 1353, 1476, 1804, 1977, 2636, 2706, 2952, 3608, 3954, 4059, 5272, 5412, 5931, 7249, 7908, 8118, 10824, 11862, 14498, 15816, 16236, 21747, 23724, 27019, 28996, 32472, 43494, 47448, 54038, 57992, 65241, 81057, 86988, 108076, 130482, 162114, 173976, 216152, 243171, 260964, 297209, 324228, 486342, 521928, 594418, 648456, 891627, 972684, 1188836, 1783254, 1945368, 2377672, 2674881, 3566508, 5349762, 7133016, 10699524, 21399048]

約数ペア:

[(1, 21399048), (2, 10699524), (3, 7133016), (4, 5349762), (6, 3566508), (8, 2674881), (9, 2377672), (11, 1945368), (12, 1783254), (18, 1188836), (22, 972684), (24, 891627), (33, 648456), (36, 594418), (41, 521928), (44, 486342), (66, 324228), (72, 297209), (82, 260964), (88, 243171), (99, 216152), (123, 173976), (132, 162114), (164, 130482), (198, 108076), (246, 86988), (264, 81057), (328, 65241), (369, 57992), (396, 54038), (451, 47448), (492, 43494), (659, 32472), (738, 28996), (792, 27019), (902, 23724), (984, 21747), (1318, 16236), (1353, 15816), (1476, 14498), (1804, 11862), (1977, 10824), (2636, 8118), (2706, 7908), (2952, 7249), (3608, 5931), (3954, 5412), (4059, 5272)]