21310776

素因数分解:

$2^3\times 3^4\times {\mathrm{32887}}^1$

素因数の和:32905

約数の個数: 40

約数和(自身を含む): 59691720

約数和(自身を除く): 38380944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32887, 65774, 98661, 131548, 197322, 263096, 295983, 394644, 591966, 789288, 887949, 1183932, 1775898, 2367864, 2663847, 3551796, 5327694, 7103592, 10655388, 21310776]

約数ペア:

[(1, 21310776), (2, 10655388), (3, 7103592), (4, 5327694), (6, 3551796), (8, 2663847), (9, 2367864), (12, 1775898), (18, 1183932), (24, 887949), (27, 789288), (36, 591966), (54, 394644), (72, 295983), (81, 263096), (108, 197322), (162, 131548), (216, 98661), (324, 65774), (648, 32887)]