21964416

素因数分解:

$2^7\times 3^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1281

約数の個数: 64

約数和(自身を含む): 59633280

約数和(自身を除く): 37668864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 282, 376, 384, 564, 752, 1128, 1217, 1504, 2256, 2434, 3008, 3651, 4512, 4868, 6016, 7302, 9024, 9736, 14604, 18048, 19472, 29208, 38944, 57199, 58416, 77888, 114398, 116832, 155776, 171597, 228796, 233664, 343194, 457592, 467328, 686388, 915184, 1372776, 1830368, 2745552, 3660736, 5491104, 7321472, 10982208, 21964416]

約数ペア:

[(1, 21964416), (2, 10982208), (3, 7321472), (4, 5491104), (6, 3660736), (8, 2745552), (12, 1830368), (16, 1372776), (24, 915184), (32, 686388), (47, 467328), (48, 457592), (64, 343194), (94, 233664), (96, 228796), (128, 171597), (141, 155776), (188, 116832), (192, 114398), (282, 77888), (376, 58416), (384, 57199), (564, 38944), (752, 29208), (1128, 19472), (1217, 18048), (1504, 14604), (2256, 9736), (2434, 9024), (3008, 7302), (3651, 6016), (4512, 4868)]