21422220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 60183648

約数和(自身を除く): 38761428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 641, 1114, 1282, 1671, 1923, 2228, 2564, 2785, 3205, 3342, 3846, 5570, 6410, 6684, 7692, 8355, 9615, 11140, 12820, 16710, 19230, 33420, 38460, 357037, 714074, 1071111, 1428148, 1785185, 2142222, 3570370, 4284444, 5355555, 7140740, 10711110, 21422220]

約数ペア:

[(1, 21422220), (2, 10711110), (3, 7140740), (4, 5355555), (5, 4284444), (6, 3570370), (10, 2142222), (12, 1785185), (15, 1428148), (20, 1071111), (30, 714074), (60, 357037), (557, 38460), (641, 33420), (1114, 19230), (1282, 16710), (1671, 12820), (1923, 11140), (2228, 9615), (2564, 8355), (2785, 7692), (3205, 6684), (3342, 6410), (3846, 5570)]