21679644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4231}}^1$

素因数の和:4306

約数の個数: 48

約数和(自身を含む): 58774016

約数和(自身を除く): 37094372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4231, 5124, 8462, 12693, 16924, 25386, 29617, 50772, 59234, 88851, 118468, 177702, 258091, 355404, 516182, 774273, 1032364, 1548546, 1806637, 3097092, 3613274, 5419911, 7226548, 10839822, 21679644]

約数ペア:

[(1, 21679644), (2, 10839822), (3, 7226548), (4, 5419911), (6, 3613274), (7, 3097092), (12, 1806637), (14, 1548546), (21, 1032364), (28, 774273), (42, 516182), (61, 355404), (84, 258091), (122, 177702), (183, 118468), (244, 88851), (366, 59234), (427, 50772), (732, 29617), (854, 25386), (1281, 16924), (1708, 12693), (2562, 8462), (4231, 5124)]