21471695

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 30533760

約数和(自身を除く): 9062065

約数列:

[1, 5, 7, 35, 61, 89, 113, 305, 427, 445, 565, 623, 791, 2135, 3115, 3955, 5429, 6893, 10057, 27145, 34465, 38003, 48251, 50285, 70399, 190015, 241255, 351995, 613477, 3067385, 4294339, 21471695]

約数ペア:

[(1, 21471695), (5, 4294339), (7, 3067385), (35, 613477), (61, 351995), (89, 241255), (113, 190015), (305, 70399), (427, 50285), (445, 48251), (565, 38003), (623, 34465), (791, 27145), (2135, 10057), (3115, 6893), (3955, 5429)]