21154968

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6833}}^1$

素因数の和:6888

約数の個数: 48

約数和(自身を含む): 58635720

約数和(自身を除く): 37480752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6833, 13666, 20499, 27332, 40998, 54664, 61497, 81996, 122994, 163992, 245988, 293819, 491976, 587638, 881457, 1175276, 1762914, 2350552, 2644371, 3525828, 5288742, 7051656, 10577484, 21154968]

約数ペア:

[(1, 21154968), (2, 10577484), (3, 7051656), (4, 5288742), (6, 3525828), (8, 2644371), (9, 2350552), (12, 1762914), (18, 1175276), (24, 881457), (36, 587638), (43, 491976), (72, 293819), (86, 245988), (129, 163992), (172, 122994), (258, 81996), (344, 61497), (387, 54664), (516, 40998), (774, 27332), (1032, 20499), (1548, 13666), (3096, 6833)]