21299970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{10597}}^1$

素因数の和:10674

約数の個数: 32

約数和(自身を含む): 51887808

約数和(自身を除く): 30587838

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 10597, 21194, 31791, 52985, 63582, 105970, 158955, 317910, 709999, 1419998, 2129997, 3549995, 4259994, 7099990, 10649985, 21299970]

約数ペア:

[(1, 21299970), (2, 10649985), (3, 7099990), (5, 4259994), (6, 3549995), (10, 2129997), (15, 1419998), (30, 709999), (67, 317910), (134, 158955), (201, 105970), (335, 63582), (402, 52985), (670, 31791), (1005, 21194), (2010, 10597)]