21270392

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18593}}^1$

素因数の和:18623

約数の個数: 32

約数和(自身を含む): 46856880

約数和(自身を除く): 25586488

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18593, 37186, 74372, 148744, 204523, 241709, 409046, 483418, 818092, 966836, 1636184, 1933672, 2658799, 5317598, 10635196, 21270392]

約数ペア:

[(1, 21270392), (2, 10635196), (4, 5317598), (8, 2658799), (11, 1933672), (13, 1636184), (22, 966836), (26, 818092), (44, 483418), (52, 409046), (88, 241709), (104, 204523), (143, 148744), (286, 74372), (572, 37186), (1144, 18593)]