21031755369

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1\times {\mathrm{3457}}^1$

素因数の和:4057

約数の個数: 32

約数和(自身を含む): 28986781824

約数和(自身を除く): 7955026455

約数列:

[1, 3, 53, 83, 159, 249, 461, 1383, 3457, 4399, 10371, 13197, 24433, 38263, 73299, 114789, 183221, 286931, 549663, 860793, 1593677, 2027939, 4781031, 6083817, 15207343, 45622029, 84464881, 132275191, 253394643, 396825573, 7010585123, 21031755369]

約数ペア:

[(1, 21031755369), (3, 7010585123), (53, 396825573), (83, 253394643), (159, 132275191), (249, 84464881), (461, 45622029), (1383, 15207343), (3457, 6083817), (4399, 4781031), (10371, 2027939), (13197, 1593677), (24433, 860793), (38263, 549663), (73299, 286931), (114789, 183221)]