21865086

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 51897600

約数和(自身を除く): 30032514

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 101, 114, 171, 202, 211, 303, 342, 422, 513, 606, 633, 909, 1026, 1266, 1818, 1899, 1919, 2727, 3798, 3838, 4009, 5454, 5697, 5757, 8018, 11394, 11514, 12027, 17271, 21311, 24054, 34542, 36081, 42622, 51813, 63933, 72162, 103626, 108243, 127866, 191799, 216486, 383598, 404909, 575397, 809818, 1150794, 1214727, 2429454, 3644181, 7288362, 10932543, 21865086]

約数ペア:

[(1, 21865086), (2, 10932543), (3, 7288362), (6, 3644181), (9, 2429454), (18, 1214727), (19, 1150794), (27, 809818), (38, 575397), (54, 404909), (57, 383598), (101, 216486), (114, 191799), (171, 127866), (202, 108243), (211, 103626), (303, 72162), (342, 63933), (422, 51813), (513, 42622), (606, 36081), (633, 34542), (909, 24054), (1026, 21311), (1266, 17271), (1818, 12027), (1899, 11514), (1919, 11394), (2727, 8018), (3798, 5757), (3838, 5697), (4009, 5454)]