21264030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1237}}^1$

素因数の和:1441

約数の個数: 48

約数和(自身を含む): 55620864

約数和(自身を除く): 34356834

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 191, 382, 573, 955, 1146, 1237, 1719, 1910, 2474, 2865, 3438, 3711, 5730, 6185, 7422, 8595, 11133, 12370, 17190, 18555, 22266, 37110, 55665, 111330, 236267, 472534, 708801, 1181335, 1417602, 2126403, 2362670, 3544005, 4252806, 7088010, 10632015, 21264030]

約数ペア:

[(1, 21264030), (2, 10632015), (3, 7088010), (5, 4252806), (6, 3544005), (9, 2362670), (10, 2126403), (15, 1417602), (18, 1181335), (30, 708801), (45, 472534), (90, 236267), (191, 111330), (382, 55665), (573, 37110), (955, 22266), (1146, 18555), (1237, 17190), (1719, 12370), (1910, 11133), (2474, 8595), (2865, 7422), (3438, 6185), (3711, 5730)]