21034806

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{563}}^1$

素因数の和:1060

約数の個数: 32

約数和(自身を含む): 45480960

約数和(自身を除く): 24446154

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 479, 563, 958, 1126, 1437, 1689, 2874, 3378, 6227, 7319, 12454, 14638, 18681, 21957, 37362, 43914, 269677, 539354, 809031, 1618062, 3505801, 7011602, 10517403, 21034806]

約数ペア:

[(1, 21034806), (2, 10517403), (3, 7011602), (6, 3505801), (13, 1618062), (26, 809031), (39, 539354), (78, 269677), (479, 43914), (563, 37362), (958, 21957), (1126, 18681), (1437, 14638), (1689, 12454), (2874, 7319), (3378, 6227)]