21152490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1289}}^1$

素因数の和:1846

約数の個数: 32

約数和(自身を含む): 50898240

約数和(自身を除く): 29745750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 547, 1094, 1289, 1641, 2578, 2735, 3282, 3867, 5470, 6445, 7734, 8205, 12890, 16410, 19335, 38670, 705083, 1410166, 2115249, 3525415, 4230498, 7050830, 10576245, 21152490]

約数ペア:

[(1, 21152490), (2, 10576245), (3, 7050830), (5, 4230498), (6, 3525415), (10, 2115249), (15, 1410166), (30, 705083), (547, 38670), (1094, 19335), (1289, 16410), (1641, 12890), (2578, 8205), (2735, 7734), (3282, 6445), (3867, 5470)]