21515190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15259}}^1$

素因数の和:15316

約数の個数: 32

約数和(自身を含む): 52738560

約数和(自身を除く): 31223370

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15259, 30518, 45777, 76295, 91554, 152590, 228885, 457770, 717173, 1434346, 2151519, 3585865, 4303038, 7171730, 10757595, 21515190]

約数ペア:

[(1, 21515190), (2, 10757595), (3, 7171730), (5, 4303038), (6, 3585865), (10, 2151519), (15, 1434346), (30, 717173), (47, 457770), (94, 228885), (141, 152590), (235, 91554), (282, 76295), (470, 45777), (705, 30518), (1410, 15259)]