21023420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95561}}^1$

素因数の和:95581

約数の個数: 24

約数和(自身を含む): 48163248

約数和(自身を除く): 27139828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95561, 191122, 382244, 477805, 955610, 1051171, 1911220, 2102342, 4204684, 5255855, 10511710, 21023420]

約数ペア:

[(1, 21023420), (2, 10511710), (4, 5255855), (5, 4204684), (10, 2102342), (11, 1911220), (20, 1051171), (22, 955610), (44, 477805), (55, 382244), (110, 191122), (220, 95561)]