21529812

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1061}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 53524800

約数和(自身を除く): 31994988

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 89, 114, 178, 228, 267, 356, 534, 1061, 1068, 1691, 2122, 3183, 3382, 4244, 5073, 6366, 6764, 10146, 12732, 20159, 20292, 40318, 60477, 80636, 94429, 120954, 188858, 241908, 283287, 377716, 566574, 1133148, 1794151, 3588302, 5382453, 7176604, 10764906, 21529812]

約数ペア:

[(1, 21529812), (2, 10764906), (3, 7176604), (4, 5382453), (6, 3588302), (12, 1794151), (19, 1133148), (38, 566574), (57, 377716), (76, 283287), (89, 241908), (114, 188858), (178, 120954), (228, 94429), (267, 80636), (356, 60477), (534, 40318), (1061, 20292), (1068, 20159), (1691, 12732), (2122, 10146), (3183, 6764), (3382, 6366), (4244, 5073)]