21177648

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 120

約数和(自身を含む): 64589616

約数和(自身を除く): 43411968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 41, 48, 51, 68, 72, 82, 102, 123, 136, 144, 153, 164, 204, 211, 246, 272, 306, 328, 369, 408, 422, 492, 612, 633, 656, 697, 738, 816, 844, 984, 1224, 1266, 1394, 1476, 1688, 1899, 1968, 2091, 2448, 2532, 2788, 2952, 3376, 3587, 3798, 4182, 5064, 5576, 5904, 6273, 7174, 7596, 8364, 8651, 10128, 10761, 11152, 12546, 14348, 15192, 16728, 17302, 21522, 25092, 25953, 28696, 30384, 32283, 33456, 34604, 43044, 50184, 51906, 57392, 64566, 69208, 77859, 86088, 100368, 103812, 129132, 138416, 147067, 155718, 172176, 207624, 258264, 294134, 311436, 415248, 441201, 516528, 588268, 622872, 882402, 1176536, 1245744, 1323603, 1764804, 2353072, 2647206, 3529608, 5294412, 7059216, 10588824, 21177648]

約数ペア:

[(1, 21177648), (2, 10588824), (3, 7059216), (4, 5294412), (6, 3529608), (8, 2647206), (9, 2353072), (12, 1764804), (16, 1323603), (17, 1245744), (18, 1176536), (24, 882402), (34, 622872), (36, 588268), (41, 516528), (48, 441201), (51, 415248), (68, 311436), (72, 294134), (82, 258264), (102, 207624), (123, 172176), (136, 155718), (144, 147067), (153, 138416), (164, 129132), (204, 103812), (211, 100368), (246, 86088), (272, 77859), (306, 69208), (328, 64566), (369, 57392), (408, 51906), (422, 50184), (492, 43044), (612, 34604), (633, 33456), (656, 32283), (697, 30384), (738, 28696), (816, 25953), (844, 25092), (984, 21522), (1224, 17302), (1266, 16728), (1394, 15192), (1476, 14348), (1688, 12546), (1899, 11152), (1968, 10761), (2091, 10128), (2448, 8651), (2532, 8364), (2788, 7596), (2952, 7174), (3376, 6273), (3587, 5904), (3798, 5576), (4182, 5064)]