21000586020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{211231}}^1$

素因数の和:212900

約数の個数: 48

約数和(自身を含む): 58837406208

約数和(自身を除く): 37836820188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1657, 3314, 4971, 6628, 8285, 9942, 16570, 19884, 24855, 33140, 49710, 99420, 211231, 422462, 633693, 844924, 1056155, 1267386, 2112310, 2534772, 3168465, 4224620, 6336930, 12673860, 350009767, 700019534, 1050029301, 1400039068, 1750048835, 2100058602, 3500097670, 4200117204, 5250146505, 7000195340, 10500293010, 21000586020]

約数ペア:

[(1, 21000586020), (2, 10500293010), (3, 7000195340), (4, 5250146505), (5, 4200117204), (6, 3500097670), (10, 2100058602), (12, 1750048835), (15, 1400039068), (20, 1050029301), (30, 700019534), (60, 350009767), (1657, 12673860), (3314, 6336930), (4971, 4224620), (6628, 3168465), (8285, 2534772), (9942, 2112310), (16570, 1267386), (19884, 1056155), (24855, 844924), (33140, 633693), (49710, 422462), (99420, 211231)]