21504408

素因数分解:

$2^3\times 3^1\times {\mathrm{331}}^1\times {\mathrm{2707}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 53943360

約数和(自身を除く): 32438952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 331, 662, 993, 1324, 1986, 2648, 2707, 3972, 5414, 7944, 8121, 10828, 16242, 21656, 32484, 64968, 896017, 1792034, 2688051, 3584068, 5376102, 7168136, 10752204, 21504408]

約数ペア:

[(1, 21504408), (2, 10752204), (3, 7168136), (4, 5376102), (6, 3584068), (8, 2688051), (12, 1792034), (24, 896017), (331, 64968), (662, 32484), (993, 21656), (1324, 16242), (1986, 10828), (2648, 8121), (2707, 7944), (3972, 5414)]