21858780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{364313}}^1$

素因数の和:364325

約数の個数: 24

約数和(自身を含む): 61204752

約数和(自身を除く): 39345972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 364313, 728626, 1092939, 1457252, 1821565, 2185878, 3643130, 4371756, 5464695, 7286260, 10929390, 21858780]

約数ペア:

[(1, 21858780), (2, 10929390), (3, 7286260), (4, 5464695), (5, 4371756), (6, 3643130), (10, 2185878), (12, 1821565), (15, 1457252), (20, 1092939), (30, 728626), (60, 364313)]