21272568

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 33764232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 83, 118, 166, 177, 181, 236, 249, 332, 354, 362, 472, 498, 543, 664, 708, 724, 996, 1086, 1416, 1448, 1992, 2172, 4344, 4897, 9794, 10679, 14691, 15023, 19588, 21358, 29382, 30046, 32037, 39176, 42716, 45069, 58764, 60092, 64074, 85432, 90138, 117528, 120184, 128148, 180276, 256296, 360552, 886357, 1772714, 2659071, 3545428, 5318142, 7090856, 10636284, 21272568]

約数ペア:

[(1, 21272568), (2, 10636284), (3, 7090856), (4, 5318142), (6, 3545428), (8, 2659071), (12, 1772714), (24, 886357), (59, 360552), (83, 256296), (118, 180276), (166, 128148), (177, 120184), (181, 117528), (236, 90138), (249, 85432), (332, 64074), (354, 60092), (362, 58764), (472, 45069), (498, 42716), (543, 39176), (664, 32037), (708, 30046), (724, 29382), (996, 21358), (1086, 19588), (1416, 15023), (1448, 14691), (1992, 10679), (2172, 9794), (4344, 4897)]