21509592

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 37276968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 852, 923, 971, 1704, 1846, 1942, 2769, 2913, 3692, 3884, 5538, 5826, 7384, 7768, 11076, 11652, 12623, 22152, 23304, 25246, 37869, 50492, 68941, 75738, 100984, 137882, 151476, 206823, 275764, 302952, 413646, 551528, 827292, 896233, 1654584, 1792466, 2688699, 3584932, 5377398, 7169864, 10754796, 21509592]

約数ペア:

[(1, 21509592), (2, 10754796), (3, 7169864), (4, 5377398), (6, 3584932), (8, 2688699), (12, 1792466), (13, 1654584), (24, 896233), (26, 827292), (39, 551528), (52, 413646), (71, 302952), (78, 275764), (104, 206823), (142, 151476), (156, 137882), (213, 100984), (284, 75738), (312, 68941), (426, 50492), (568, 37869), (852, 25246), (923, 23304), (971, 22152), (1704, 12623), (1846, 11652), (1942, 11076), (2769, 7768), (2913, 7384), (3692, 5826), (3884, 5538)]