21304464

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{4987}}^1$

素因数の和:5087

約数の個数: 40

約数和(自身を含む): 55666080

約数和(自身を除く): 34361616

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 4987, 9974, 14961, 19948, 29922, 39896, 59844, 79792, 119688, 239376, 443843, 887686, 1331529, 1775372, 2663058, 3550744, 5326116, 7101488, 10652232, 21304464]

約数ペア:

[(1, 21304464), (2, 10652232), (3, 7101488), (4, 5326116), (6, 3550744), (8, 2663058), (12, 1775372), (16, 1331529), (24, 887686), (48, 443843), (89, 239376), (178, 119688), (267, 79792), (356, 59844), (534, 39896), (712, 29922), (1068, 19948), (1424, 14961), (2136, 9974), (4272, 4987)]