21243228

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^2\times {\mathrm{149}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 50362200

約数和(自身を除く): 29118972

約数列:

[1, 2, 3, 4, 6, 12, 109, 149, 218, 298, 327, 436, 447, 596, 654, 894, 1308, 1788, 11881, 16241, 23762, 32482, 35643, 47524, 48723, 64964, 71286, 97446, 142572, 194892, 1770269, 3540538, 5310807, 7081076, 10621614, 21243228]

約数ペア:

[(1, 21243228), (2, 10621614), (3, 7081076), (4, 5310807), (6, 3540538), (12, 1770269), (109, 194892), (149, 142572), (218, 97446), (298, 71286), (327, 64964), (436, 48723), (447, 47524), (596, 35643), (654, 32482), (894, 23762), (1308, 16241), (1788, 11881)]