21667872

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 38872608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 43, 48, 58, 86, 87, 96, 116, 129, 172, 174, 181, 232, 258, 344, 348, 362, 464, 516, 543, 688, 696, 724, 928, 1032, 1086, 1247, 1376, 1392, 1448, 2064, 2172, 2494, 2784, 2896, 3741, 4128, 4344, 4988, 5249, 5792, 7482, 7783, 8688, 9976, 10498, 14964, 15566, 15747, 17376, 19952, 20996, 23349, 29928, 31132, 31494, 39904, 41992, 46698, 59856, 62264, 62988, 83984, 93396, 119712, 124528, 125976, 167968, 186792, 225707, 249056, 251952, 373584, 451414, 503904, 677121, 747168, 902828, 1354242, 1805656, 2708484, 3611312, 5416968, 7222624, 10833936, 21667872]

約数ペア:

[(1, 21667872), (2, 10833936), (3, 7222624), (4, 5416968), (6, 3611312), (8, 2708484), (12, 1805656), (16, 1354242), (24, 902828), (29, 747168), (32, 677121), (43, 503904), (48, 451414), (58, 373584), (86, 251952), (87, 249056), (96, 225707), (116, 186792), (129, 167968), (172, 125976), (174, 124528), (181, 119712), (232, 93396), (258, 83984), (344, 62988), (348, 62264), (362, 59856), (464, 46698), (516, 41992), (543, 39904), (688, 31494), (696, 31132), (724, 29928), (928, 23349), (1032, 20996), (1086, 19952), (1247, 17376), (1376, 15747), (1392, 15566), (1448, 14964), (2064, 10498), (2172, 9976), (2494, 8688), (2784, 7783), (2896, 7482), (3741, 5792), (4128, 5249), (4344, 4988)]