21040171201

素因数分解:

$7^3\times {\mathrm{43}}^1\times {\mathrm{811}}^1\times {\mathrm{1759}}^1$

素因数の和:2634

約数の個数: 32

約数和(自身を含む): 25152512000

約数和(自身を除く): 4112340799

約数列:

[1, 7, 43, 49, 301, 343, 811, 1759, 2107, 5677, 12313, 14749, 34873, 39739, 75637, 86191, 244111, 278173, 529459, 603337, 1426549, 1708777, 3706213, 9985843, 11961439, 25943491, 61341607, 69900901, 429391249, 489306307, 3005738743, 21040171201]

約数ペア:

[(1, 21040171201), (7, 3005738743), (43, 489306307), (49, 429391249), (301, 69900901), (343, 61341607), (811, 25943491), (1759, 11961439), (2107, 9985843), (5677, 3706213), (12313, 1708777), (14749, 1426549), (34873, 603337), (39739, 529459), (75637, 278173), (86191, 244111)]