21129192

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 68423940

約数和(自身を除く): 47294748

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 53, 56, 63, 72, 84, 98, 106, 113, 126, 147, 159, 168, 196, 212, 226, 252, 294, 318, 339, 371, 392, 424, 441, 452, 477, 504, 588, 636, 678, 742, 791, 882, 904, 954, 1017, 1113, 1176, 1272, 1356, 1484, 1582, 1764, 1908, 2034, 2226, 2373, 2597, 2712, 2968, 3164, 3339, 3528, 3816, 4068, 4452, 4746, 5194, 5537, 5989, 6328, 6678, 7119, 7791, 8136, 8904, 9492, 10388, 11074, 11978, 13356, 14238, 15582, 16611, 17967, 18984, 20776, 22148, 23373, 23956, 26712, 28476, 31164, 33222, 35934, 41923, 44296, 46746, 47912, 49833, 53901, 56952, 62328, 66444, 71868, 83846, 93492, 99666, 107802, 125769, 132888, 143736, 167692, 186984, 199332, 215604, 251538, 293461, 335384, 377307, 398664, 431208, 503076, 586922, 754614, 880383, 1006152, 1173844, 1509228, 1760766, 2347688, 2641149, 3018456, 3521532, 5282298, 7043064, 10564596, 21129192]

約数ペア:

[(1, 21129192), (2, 10564596), (3, 7043064), (4, 5282298), (6, 3521532), (7, 3018456), (8, 2641149), (9, 2347688), (12, 1760766), (14, 1509228), (18, 1173844), (21, 1006152), (24, 880383), (28, 754614), (36, 586922), (42, 503076), (49, 431208), (53, 398664), (56, 377307), (63, 335384), (72, 293461), (84, 251538), (98, 215604), (106, 199332), (113, 186984), (126, 167692), (147, 143736), (159, 132888), (168, 125769), (196, 107802), (212, 99666), (226, 93492), (252, 83846), (294, 71868), (318, 66444), (339, 62328), (371, 56952), (392, 53901), (424, 49833), (441, 47912), (452, 46746), (477, 44296), (504, 41923), (588, 35934), (636, 33222), (678, 31164), (742, 28476), (791, 26712), (882, 23956), (904, 23373), (954, 22148), (1017, 20776), (1113, 18984), (1176, 17967), (1272, 16611), (1356, 15582), (1484, 14238), (1582, 13356), (1764, 11978), (1908, 11074), (2034, 10388), (2226, 9492), (2373, 8904), (2597, 8136), (2712, 7791), (2968, 7119), (3164, 6678), (3339, 6328), (3528, 5989), (3816, 5537), (4068, 5194), (4452, 4746)]