21894327

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 43411200

約数和(自身を除く): 21516873

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 49, 57, 63, 67, 91, 117, 133, 147, 171, 189, 201, 247, 273, 351, 399, 441, 469, 513, 603, 637, 741, 819, 871, 931, 1197, 1273, 1323, 1407, 1729, 1809, 1911, 2223, 2457, 2613, 2793, 3283, 3591, 3819, 4221, 5187, 5733, 6097, 6669, 7839, 8379, 8911, 9849, 11457, 12103, 12663, 15561, 16549, 17199, 18291, 23517, 25137, 26733, 29547, 34371, 36309, 42679, 46683, 49647, 54873, 62377, 80199, 88641, 108927, 115843, 128037, 148941, 164619, 187131, 240597, 326781, 347529, 384111, 446823, 561393, 810901, 1042587, 1152333, 1684179, 2432703, 3127761, 7298109, 21894327]

約数ペア:

[(1, 21894327), (3, 7298109), (7, 3127761), (9, 2432703), (13, 1684179), (19, 1152333), (21, 1042587), (27, 810901), (39, 561393), (49, 446823), (57, 384111), (63, 347529), (67, 326781), (91, 240597), (117, 187131), (133, 164619), (147, 148941), (171, 128037), (189, 115843), (201, 108927), (247, 88641), (273, 80199), (351, 62377), (399, 54873), (441, 49647), (469, 46683), (513, 42679), (603, 36309), (637, 34371), (741, 29547), (819, 26733), (871, 25137), (931, 23517), (1197, 18291), (1273, 17199), (1323, 16549), (1407, 15561), (1729, 12663), (1809, 12103), (1911, 11457), (2223, 9849), (2457, 8911), (2613, 8379), (2793, 7839), (3283, 6669), (3591, 6097), (3819, 5733), (4221, 5187)]