21415452

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 51838080

約数和(自身を除く): 30422628

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 139, 148, 222, 278, 347, 417, 444, 556, 694, 834, 1041, 1388, 1668, 2082, 4164, 5143, 10286, 12839, 15429, 20572, 25678, 30858, 38517, 48233, 51356, 61716, 77034, 96466, 144699, 154068, 192932, 289398, 578796, 1784621, 3569242, 5353863, 7138484, 10707726, 21415452]

約数ペア:

[(1, 21415452), (2, 10707726), (3, 7138484), (4, 5353863), (6, 3569242), (12, 1784621), (37, 578796), (74, 289398), (111, 192932), (139, 154068), (148, 144699), (222, 96466), (278, 77034), (347, 61716), (417, 51356), (444, 48233), (556, 38517), (694, 30858), (834, 25678), (1041, 20572), (1388, 15429), (1668, 12839), (2082, 10286), (4164, 5143)]