21329798

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 20142202

約数列:

[1, 2, 7, 14, 17, 31, 34, 49, 59, 62, 98, 118, 119, 217, 238, 343, 413, 434, 527, 686, 826, 833, 1003, 1054, 1519, 1666, 1829, 2006, 2891, 3038, 3658, 3689, 5782, 5831, 7021, 7378, 10633, 11662, 12803, 14042, 20237, 21266, 25606, 25823, 31093, 40474, 49147, 51646, 62186, 89621, 98294, 179242, 180761, 217651, 344029, 361522, 435302, 627347, 688058, 1254694, 1523557, 3047114, 10664899, 21329798]

約数ペア:

[(1, 21329798), (2, 10664899), (7, 3047114), (14, 1523557), (17, 1254694), (31, 688058), (34, 627347), (49, 435302), (59, 361522), (62, 344029), (98, 217651), (118, 180761), (119, 179242), (217, 98294), (238, 89621), (343, 62186), (413, 51646), (434, 49147), (527, 40474), (686, 31093), (826, 25823), (833, 25606), (1003, 21266), (1054, 20237), (1519, 14042), (1666, 12803), (1829, 11662), (2006, 10633), (2891, 7378), (3038, 7021), (3658, 5831), (3689, 5782)]