21565068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1723}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 57926400

約数和(自身を除く): 36361332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 298, 447, 596, 894, 1043, 1723, 1788, 2086, 3129, 3446, 4172, 5169, 6258, 6892, 10338, 12061, 12516, 20676, 24122, 36183, 48244, 72366, 144732, 256727, 513454, 770181, 1026908, 1540362, 1797089, 3080724, 3594178, 5391267, 7188356, 10782534, 21565068]

約数ペア:

[(1, 21565068), (2, 10782534), (3, 7188356), (4, 5391267), (6, 3594178), (7, 3080724), (12, 1797089), (14, 1540362), (21, 1026908), (28, 770181), (42, 513454), (84, 256727), (149, 144732), (298, 72366), (447, 48244), (596, 36183), (894, 24122), (1043, 20676), (1723, 12516), (1788, 12061), (2086, 10338), (3129, 6892), (3446, 6258), (4172, 5169)]