21147594

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1979}}^1$

素因数の和:2134

約数の個数: 32

約数和(自身を含む): 45904320

約数和(自身を除く): 24756726

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 137, 274, 411, 822, 1781, 1979, 3562, 3958, 5343, 5937, 10686, 11874, 25727, 51454, 77181, 154362, 271123, 542246, 813369, 1626738, 3524599, 7049198, 10573797, 21147594]

約数ペア:

[(1, 21147594), (2, 10573797), (3, 7049198), (6, 3524599), (13, 1626738), (26, 813369), (39, 542246), (78, 271123), (137, 154362), (274, 77181), (411, 51454), (822, 25727), (1781, 11874), (1979, 10686), (3562, 5937), (3958, 5343)]