21404208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63703}}^1$

素因数の和:63721

約数の個数: 40

約数和(自身を含む): 63194368

約数和(自身を除く): 41790160

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63703, 127406, 191109, 254812, 382218, 445921, 509624, 764436, 891842, 1019248, 1337763, 1528872, 1783684, 2675526, 3057744, 3567368, 5351052, 7134736, 10702104, 21404208]

約数ペア:

[(1, 21404208), (2, 10702104), (3, 7134736), (4, 5351052), (6, 3567368), (7, 3057744), (8, 2675526), (12, 1783684), (14, 1528872), (16, 1337763), (21, 1019248), (24, 891842), (28, 764436), (42, 509624), (48, 445921), (56, 382218), (84, 254812), (112, 191109), (168, 127406), (336, 63703)]