21291366492

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{141863}}^1$

素因数の和:142263

約数の個数: 72

約数和(自身を含む): 58867885440

約数和(自身を除く): 37576518948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 379, 396, 758, 1137, 1516, 2274, 3411, 4169, 4548, 6822, 8338, 12507, 13644, 16676, 25014, 37521, 50028, 75042, 141863, 150084, 283726, 425589, 567452, 851178, 1276767, 1560493, 1702356, 2553534, 3120986, 4681479, 5107068, 6241972, 9362958, 14044437, 18725916, 28088874, 53766077, 56177748, 107532154, 161298231, 215064308, 322596462, 483894693, 591426847, 645192924, 967789386, 1182853694, 1774280541, 1935578772, 2365707388, 3548561082, 5322841623, 7097122164, 10645683246, 21291366492]

約数ペア:

[(1, 21291366492), (2, 10645683246), (3, 7097122164), (4, 5322841623), (6, 3548561082), (9, 2365707388), (11, 1935578772), (12, 1774280541), (18, 1182853694), (22, 967789386), (33, 645192924), (36, 591426847), (44, 483894693), (66, 322596462), (99, 215064308), (132, 161298231), (198, 107532154), (379, 56177748), (396, 53766077), (758, 28088874), (1137, 18725916), (1516, 14044437), (2274, 9362958), (3411, 6241972), (4169, 5107068), (4548, 4681479), (6822, 3120986), (8338, 2553534), (12507, 1702356), (13644, 1560493), (16676, 1276767), (25014, 851178), (37521, 567452), (50028, 425589), (75042, 283726), (141863, 150084)]