21104208

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:301

約数の個数: 120

約数和(自身を含む): 64502568

約数和(自身を除く): 43398360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 37, 48, 51, 68, 72, 74, 102, 111, 136, 144, 148, 153, 204, 222, 233, 272, 296, 306, 333, 408, 444, 466, 592, 612, 629, 666, 699, 816, 888, 932, 1224, 1258, 1332, 1398, 1776, 1864, 1887, 2097, 2448, 2516, 2664, 2796, 3728, 3774, 3961, 4194, 5032, 5328, 5592, 5661, 7548, 7922, 8388, 8621, 10064, 11184, 11322, 11883, 15096, 15844, 16776, 17242, 22644, 23766, 25863, 30192, 31688, 33552, 34484, 35649, 45288, 47532, 51726, 63376, 68968, 71298, 77589, 90576, 95064, 103452, 137936, 142596, 146557, 155178, 190128, 206904, 285192, 293114, 310356, 413808, 439671, 570384, 586228, 620712, 879342, 1172456, 1241424, 1319013, 1758684, 2344912, 2638026, 3517368, 5276052, 7034736, 10552104, 21104208]

約数ペア:

[(1, 21104208), (2, 10552104), (3, 7034736), (4, 5276052), (6, 3517368), (8, 2638026), (9, 2344912), (12, 1758684), (16, 1319013), (17, 1241424), (18, 1172456), (24, 879342), (34, 620712), (36, 586228), (37, 570384), (48, 439671), (51, 413808), (68, 310356), (72, 293114), (74, 285192), (102, 206904), (111, 190128), (136, 155178), (144, 146557), (148, 142596), (153, 137936), (204, 103452), (222, 95064), (233, 90576), (272, 77589), (296, 71298), (306, 68968), (333, 63376), (408, 51726), (444, 47532), (466, 45288), (592, 35649), (612, 34484), (629, 33552), (666, 31688), (699, 30192), (816, 25863), (888, 23766), (932, 22644), (1224, 17242), (1258, 16776), (1332, 15844), (1398, 15096), (1776, 11883), (1864, 11322), (1887, 11184), (2097, 10064), (2448, 8621), (2516, 8388), (2664, 7922), (2796, 7548), (3728, 5661), (3774, 5592), (3961, 5328), (4194, 5032)]