21059714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15228286

約数列:

[1, 2, 13, 19, 26, 38, 89, 178, 247, 479, 494, 958, 1157, 1691, 2314, 3382, 6227, 9101, 12454, 18202, 21983, 42631, 43966, 85262, 118313, 236626, 554203, 809989, 1108406, 1619978, 10529857, 21059714]

約数ペア:

[(1, 21059714), (2, 10529857), (13, 1619978), (19, 1108406), (26, 809989), (38, 554203), (89, 236626), (178, 118313), (247, 85262), (479, 43966), (494, 42631), (958, 21983), (1157, 18202), (1691, 12454), (2314, 9101), (3382, 6227)]