21008806

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1297}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 39251520

約数和(自身を除く): 18242714

約数列:

[1, 2, 7, 13, 14, 26, 89, 91, 178, 182, 623, 1157, 1246, 1297, 2314, 2594, 8099, 9079, 16198, 16861, 18158, 33722, 115433, 118027, 230866, 236054, 808031, 1500629, 1616062, 3001258, 10504403, 21008806]

約数ペア:

[(1, 21008806), (2, 10504403), (7, 3001258), (13, 1616062), (14, 1500629), (26, 808031), (89, 236054), (91, 230866), (178, 118027), (182, 115433), (623, 33722), (1157, 18158), (1246, 16861), (1297, 16198), (2314, 9079), (2594, 8099)]