21164040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58789}}^1$

素因数の和:58806

約数の個数: 48

約数和(自身を含む): 68784300

約数和(自身を除く): 47620260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58789, 117578, 176367, 235156, 293945, 352734, 470312, 529101, 587890, 705468, 881835, 1058202, 1175780, 1410936, 1763670, 2116404, 2351560, 2645505, 3527340, 4232808, 5291010, 7054680, 10582020, 21164040]

約数ペア:

[(1, 21164040), (2, 10582020), (3, 7054680), (4, 5291010), (5, 4232808), (6, 3527340), (8, 2645505), (9, 2351560), (10, 2116404), (12, 1763670), (15, 1410936), (18, 1175780), (20, 1058202), (24, 881835), (30, 705468), (36, 587890), (40, 529101), (45, 470312), (60, 352734), (72, 293945), (90, 235156), (120, 176367), (180, 117578), (360, 58789)]