21850860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1171}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 61431552

約数和(自身を除く): 39580692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 622, 933, 1171, 1244, 1555, 1866, 2342, 3110, 3513, 3732, 4665, 4684, 5855, 6220, 7026, 9330, 11710, 14052, 17565, 18660, 23420, 35130, 70260, 364181, 728362, 1092543, 1456724, 1820905, 2185086, 3641810, 4370172, 5462715, 7283620, 10925430, 21850860]

約数ペア:

[(1, 21850860), (2, 10925430), (3, 7283620), (4, 5462715), (5, 4370172), (6, 3641810), (10, 2185086), (12, 1820905), (15, 1456724), (20, 1092543), (30, 728362), (60, 364181), (311, 70260), (622, 35130), (933, 23420), (1171, 18660), (1244, 17565), (1555, 14052), (1866, 11710), (2342, 9330), (3110, 7026), (3513, 6220), (3732, 5855), (4665, 4684)]