21225804

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 50996736

約数和(自身を除く): 29770932

約数列:

[1, 2, 3, 4, 6, 12, 61, 107, 122, 183, 214, 244, 271, 321, 366, 428, 542, 642, 732, 813, 1084, 1284, 1626, 3252, 6527, 13054, 16531, 19581, 26108, 28997, 33062, 39162, 49593, 57994, 66124, 78324, 86991, 99186, 115988, 173982, 198372, 347964, 1768817, 3537634, 5306451, 7075268, 10612902, 21225804]

約数ペア:

[(1, 21225804), (2, 10612902), (3, 7075268), (4, 5306451), (6, 3537634), (12, 1768817), (61, 347964), (107, 198372), (122, 173982), (183, 115988), (214, 99186), (244, 86991), (271, 78324), (321, 66124), (366, 57994), (428, 49593), (542, 39162), (642, 33062), (732, 28997), (813, 26108), (1084, 19581), (1284, 16531), (1626, 13054), (3252, 6527)]