21347316

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9721}}^1$

素因数の和:9792

約数の個数: 36

約数和(自身を含む): 54851524

約数和(自身を除く): 33504208

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9721, 19442, 29163, 38884, 58326, 87489, 116652, 174978, 349956, 592981, 1185962, 1778943, 2371924, 3557886, 5336829, 7115772, 10673658, 21347316]

約数ペア:

[(1, 21347316), (2, 10673658), (3, 7115772), (4, 5336829), (6, 3557886), (9, 2371924), (12, 1778943), (18, 1185962), (36, 592981), (61, 349956), (122, 174978), (183, 116652), (244, 87489), (366, 58326), (549, 38884), (732, 29163), (1098, 19442), (2196, 9721)]