21893316

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 53168640

約数和(自身を除く): 31275324

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 229, 257, 372, 458, 514, 687, 771, 916, 1028, 1374, 1542, 2748, 3084, 7099, 7967, 14198, 15934, 21297, 23901, 28396, 31868, 42594, 47802, 58853, 85188, 95604, 117706, 176559, 235412, 353118, 706236, 1824443, 3648886, 5473329, 7297772, 10946658, 21893316]

約数ペア:

[(1, 21893316), (2, 10946658), (3, 7297772), (4, 5473329), (6, 3648886), (12, 1824443), (31, 706236), (62, 353118), (93, 235412), (124, 176559), (186, 117706), (229, 95604), (257, 85188), (372, 58853), (458, 47802), (514, 42594), (687, 31868), (771, 28396), (916, 23901), (1028, 21297), (1374, 15934), (1542, 14198), (2748, 7967), (3084, 7099)]