21791154

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 54991872

約数和(自身を除く): 33200718

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 101, 154, 202, 231, 303, 462, 467, 606, 707, 934, 1111, 1401, 1414, 2121, 2222, 2802, 3269, 3333, 4242, 5137, 6538, 6666, 7777, 9807, 10274, 15411, 15554, 19614, 23331, 30822, 35959, 46662, 47167, 71918, 94334, 107877, 141501, 215754, 283002, 330169, 518837, 660338, 990507, 1037674, 1556511, 1981014, 3113022, 3631859, 7263718, 10895577, 21791154]

約数ペア:

[(1, 21791154), (2, 10895577), (3, 7263718), (6, 3631859), (7, 3113022), (11, 1981014), (14, 1556511), (21, 1037674), (22, 990507), (33, 660338), (42, 518837), (66, 330169), (77, 283002), (101, 215754), (154, 141501), (202, 107877), (231, 94334), (303, 71918), (462, 47167), (467, 46662), (606, 35959), (707, 30822), (934, 23331), (1111, 19614), (1401, 15554), (1414, 15411), (2121, 10274), (2222, 9807), (2802, 7777), (3269, 6666), (3333, 6538), (4242, 5137)]