21366950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 44233776

約数和(自身を除く): 22866826

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 265, 275, 530, 550, 583, 733, 1166, 1325, 1466, 2650, 2915, 3665, 5830, 7330, 8063, 14575, 16126, 18325, 29150, 36650, 38849, 40315, 77698, 80630, 194245, 201575, 388490, 403150, 427339, 854678, 971225, 1942450, 2136695, 4273390, 10683475, 21366950]

約数ペア:

[(1, 21366950), (2, 10683475), (5, 4273390), (10, 2136695), (11, 1942450), (22, 971225), (25, 854678), (50, 427339), (53, 403150), (55, 388490), (106, 201575), (110, 194245), (265, 80630), (275, 77698), (530, 40315), (550, 38849), (583, 36650), (733, 29150), (1166, 18325), (1325, 16126), (1466, 14575), (2650, 8063), (2915, 7330), (3665, 5830)]