21838185

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{3257}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 38118600

約数和(自身を除く): 16280415

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 3257, 6705, 9771, 16285, 29313, 48855, 146565, 485293, 1455879, 2426465, 4367637, 7279395, 21838185]

約数ペア:

[(1, 21838185), (3, 7279395), (5, 4367637), (9, 2426465), (15, 1455879), (45, 485293), (149, 146565), (447, 48855), (745, 29313), (1341, 16285), (2235, 9771), (3257, 6705)]