21119856

素因数分解:

$2^4\times 3^1\times {\mathrm{149}}^1\times {\mathrm{2953}}^1$

素因数の和:3113

約数の個数: 40

約数和(自身を含む): 54944400

約数和(自身を除く): 33824544

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 149, 298, 447, 596, 894, 1192, 1788, 2384, 2953, 3576, 5906, 7152, 8859, 11812, 17718, 23624, 35436, 47248, 70872, 141744, 439997, 879994, 1319991, 1759988, 2639982, 3519976, 5279964, 7039952, 10559928, 21119856]

約数ペア:

[(1, 21119856), (2, 10559928), (3, 7039952), (4, 5279964), (6, 3519976), (8, 2639982), (12, 1759988), (16, 1319991), (24, 879994), (48, 439997), (149, 141744), (298, 70872), (447, 47248), (596, 35436), (894, 23624), (1192, 17718), (1788, 11812), (2384, 8859), (2953, 7152), (3576, 5906)]