21726744

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 59270400

約数和(自身を除く): 37543656

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 83, 104, 156, 166, 249, 312, 332, 498, 664, 839, 996, 1079, 1678, 1992, 2158, 2517, 3237, 3356, 4316, 5034, 6474, 6712, 8632, 10068, 10907, 12948, 20136, 21814, 25896, 32721, 43628, 65442, 69637, 87256, 130884, 139274, 208911, 261768, 278548, 417822, 557096, 835644, 905281, 1671288, 1810562, 2715843, 3621124, 5431686, 7242248, 10863372, 21726744]

約数ペア:

[(1, 21726744), (2, 10863372), (3, 7242248), (4, 5431686), (6, 3621124), (8, 2715843), (12, 1810562), (13, 1671288), (24, 905281), (26, 835644), (39, 557096), (52, 417822), (78, 278548), (83, 261768), (104, 208911), (156, 139274), (166, 130884), (249, 87256), (312, 69637), (332, 65442), (498, 43628), (664, 32721), (839, 25896), (996, 21814), (1079, 20136), (1678, 12948), (1992, 10907), (2158, 10068), (2517, 8632), (3237, 6712), (3356, 6474), (4316, 5034)]