21152803995

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1760533}}^1$

素因数の和:1760636

約数の個数: 32

約数和(自身を含む): 38027534400

約数和(自身を除く): 16874730405

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 267, 445, 801, 1335, 2403, 4005, 12015, 1760533, 5281599, 8802665, 15844797, 26407995, 47534391, 79223985, 156687437, 237671955, 470062311, 783437185, 1410186933, 2350311555, 4230560799, 7050934665, 21152803995]

約数ペア:

[(1, 21152803995), (3, 7050934665), (5, 4230560799), (9, 2350311555), (15, 1410186933), (27, 783437185), (45, 470062311), (89, 237671955), (135, 156687437), (267, 79223985), (445, 47534391), (801, 26407995), (1335, 15844797), (2403, 8802665), (4005, 5281599), (12015, 1760533)]