21670260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19009}}^1$

素因数の和:19040

約数の個数: 48

約数和(自身を含む): 63873600

約数和(自身を除く): 42203340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 19009, 38018, 57027, 76036, 95045, 114054, 190090, 228108, 285135, 361171, 380180, 570270, 722342, 1083513, 1140540, 1444684, 1805855, 2167026, 3611710, 4334052, 5417565, 7223420, 10835130, 21670260]

約数ペア:

[(1, 21670260), (2, 10835130), (3, 7223420), (4, 5417565), (5, 4334052), (6, 3611710), (10, 2167026), (12, 1805855), (15, 1444684), (19, 1140540), (20, 1083513), (30, 722342), (38, 570270), (57, 380180), (60, 361171), (76, 285135), (95, 228108), (114, 190090), (190, 114054), (228, 95045), (285, 76036), (380, 57027), (570, 38018), (1140, 19009)]