21858990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2593}}^1$

素因数の和:2884

約数の個数: 32

約数和(自身を含む): 52668576

約数和(自身を除く): 30809586

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 281, 562, 843, 1405, 1686, 2593, 2810, 4215, 5186, 7779, 8430, 12965, 15558, 25930, 38895, 77790, 728633, 1457266, 2185899, 3643165, 4371798, 7286330, 10929495, 21858990]

約数ペア:

[(1, 21858990), (2, 10929495), (3, 7286330), (5, 4371798), (6, 3643165), (10, 2185899), (15, 1457266), (30, 728633), (281, 77790), (562, 38895), (843, 25930), (1405, 15558), (1686, 12965), (2593, 8430), (2810, 7779), (4215, 5186)]