21556488

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 58161600

約数和(自身を除く): 36605112

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 41, 57, 76, 82, 114, 123, 152, 164, 228, 246, 328, 456, 492, 779, 984, 1153, 1558, 2306, 2337, 3116, 3459, 4612, 4674, 6232, 6918, 9224, 9348, 13836, 18696, 21907, 27672, 43814, 47273, 65721, 87628, 94546, 131442, 141819, 175256, 189092, 262884, 283638, 378184, 525768, 567276, 898187, 1134552, 1796374, 2694561, 3592748, 5389122, 7185496, 10778244, 21556488]

約数ペア:

[(1, 21556488), (2, 10778244), (3, 7185496), (4, 5389122), (6, 3592748), (8, 2694561), (12, 1796374), (19, 1134552), (24, 898187), (38, 567276), (41, 525768), (57, 378184), (76, 283638), (82, 262884), (114, 189092), (123, 175256), (152, 141819), (164, 131442), (228, 94546), (246, 87628), (328, 65721), (456, 47273), (492, 43814), (779, 27672), (984, 21907), (1153, 18696), (1558, 13836), (2306, 9348), (2337, 9224), (3116, 6918), (3459, 6232), (4612, 4674)]