21802357929

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1\times {\mathrm{16427}}^1$

素因数の和:17565

約数の個数: 32

約数和(自身を含む): 32601563136

約数和(自身を除く): 10799205207

約数列:

[1, 3, 11, 33, 37, 111, 407, 1087, 1221, 3261, 11957, 16427, 35871, 40219, 49281, 120657, 180697, 442409, 542091, 607799, 1327227, 1823397, 6685789, 17856149, 20057367, 53568447, 196417639, 589252917, 660677513, 1982032539, 7267452643, 21802357929]

約数ペア:

[(1, 21802357929), (3, 7267452643), (11, 1982032539), (33, 660677513), (37, 589252917), (111, 196417639), (407, 53568447), (1087, 20057367), (1221, 17856149), (3261, 6685789), (11957, 1823397), (16427, 1327227), (35871, 607799), (40219, 542091), (49281, 442409), (120657, 180697)]