21364860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32371}}^1$

素因数の和:32394

約数の個数: 48

約数和(自身を含む): 65261952

約数和(自身を除く): 43897092

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32371, 64742, 97113, 129484, 161855, 194226, 323710, 356081, 388452, 485565, 647420, 712162, 971130, 1068243, 1424324, 1780405, 1942260, 2136486, 3560810, 4272972, 5341215, 7121620, 10682430, 21364860]

約数ペア:

[(1, 21364860), (2, 10682430), (3, 7121620), (4, 5341215), (5, 4272972), (6, 3560810), (10, 2136486), (11, 1942260), (12, 1780405), (15, 1424324), (20, 1068243), (22, 971130), (30, 712162), (33, 647420), (44, 485565), (55, 388452), (60, 356081), (66, 323710), (110, 194226), (132, 161855), (165, 129484), (220, 97113), (330, 64742), (660, 32371)]